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Rank: Elder Joined: 10/4/2006 Posts: 13,822 Location: Nairobi
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murchr wrote:Trees take water from the soil and release it into the atmosphere. Tree leaves also act as interceptors, catching falling rain, which then evaporates causing rain precipitation elsewhere —evapo-transpiration
This is what happens in Drc Kericho Mauritius etc it's not agreed upon... Quote:Life depends on Earth's hydrological cycle, especially the processes that carry moisture from oceans to land. The role of vegetation remains controversial. Local people in many partially forested regions believe that forests “attract” rain, whereas most modern climate experts would disagree. But a new hypothesis suggests that local people may be correct.
The world's hydrological systems are changing rapidly. Food security in many regions is heavily threatened by changing rainfall patterns (Lobell et al. 2008). Meanwhile, deforestation has already reduced vapor flows derived from forests by almost five percent (an estimated 3000 cubic kilometers [km3] per year of a global terrestrial derived total of 67,000 km3), with little sign of slowing (Gordon et al. 2005). The need for understanding how vegetation cover influences climate has never been more urgent.
Makarieva and Gorshkov have developed a hypothesis to explain how forests attract moist air and how continental regions such as the Amazon basin remain wet (Makarieva et al. 2006, Makarieva and Gorshkov 2007, and associated online discussions; hereafter, collectively “Makarieva and Gorshkov”). The implications are substantial. Conventional models typically predict a “moderate” 20 to 30 percent decline in rainfall after continental-scale deforestation (Bonan 2008). In contrast, Makarieva and Gorshkov suggest that even relatively localized clearing might ultimately switch entire continental climates from wet to arid, with rainfall declining by more than 95 percent in the interior. my thoughts are - it's a mix... majority of the rainfall is ocean related.... that's why it rains in the oceans ambapo hakuna miti  on land - it's a huge percentage ocean rain modified by relief (mostly seasonal rain) and some convectional rain all year round. All Mushrooms are edible! Some Mushroom are only edible ONCE!
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Rank: Elder Joined: 2/26/2012 Posts: 15,980
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masukuma wrote:murchr wrote:Trees take water from the soil and release it into the atmosphere. Tree leaves also act as interceptors, catching falling rain, which then evaporates causing rain precipitation elsewhere —evapo-transpiration
This is what happens in Drc Kericho Mauritius etc it's not agreed upon... Quote:Life depends on Earth's hydrological cycle, especially the processes that carry moisture from oceans to land. The role of vegetation remains controversial. Local people in many partially forested regions believe that forests “attract” rain, whereas most modern climate experts would disagree. But a new hypothesis suggests that local people may be correct.
The world's hydrological systems are changing rapidly. Food security in many regions is heavily threatened by changing rainfall patterns (Lobell et al. 2008). Meanwhile, deforestation has already reduced vapor flows derived from forests by almost five percent (an estimated 3000 cubic kilometers [km3] per year of a global terrestrial derived total of 67,000 km3), with little sign of slowing (Gordon et al. 2005). The need for understanding how vegetation cover influences climate has never been more urgent.
Makarieva and Gorshkov have developed a hypothesis to explain how forests attract moist air and how continental regions such as the Amazon basin remain wet (Makarieva et al. 2006, Makarieva and Gorshkov 2007, and associated online discussions; hereafter, collectively “Makarieva and Gorshkov”). The implications are substantial. Conventional models typically predict a “moderate” 20 to 30 percent decline in rainfall after continental-scale deforestation (Bonan 2008). In contrast, Makarieva and Gorshkov suggest that even relatively localized clearing might ultimately switch entire continental climates from wet to arid, with rainfall declining by more than 95 percent in the interior. my thoughts are - it's a mix... majority of the rainfall is ocean related.... that's why it rains in the oceans ambapo hakuna miti on land - it's a huge percentage ocean rain modified by relief (mostly seasonal rain) and some convectional rain all year round. The article agrees with evapo transpiration What say you about Dubai? "There are only two emotions in the market, hope & fear. The problem is you hope when you should fear & fear when you should hope: - Jesse Livermore
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Rank: Elder Joined: 10/4/2006 Posts: 13,822 Location: Nairobi
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murchr wrote:masukuma wrote:murchr wrote:Trees take water from the soil and release it into the atmosphere. Tree leaves also act as interceptors, catching falling rain, which then evaporates causing rain precipitation elsewhere —evapo-transpiration
This is what happens in Drc Kericho Mauritius etc it's not agreed upon... Quote:Life depends on Earth's hydrological cycle, especially the processes that carry moisture from oceans to land. The role of vegetation remains controversial. Local people in many partially forested regions believe that forests “attract” rain, whereas most modern climate experts would disagree. But a new hypothesis suggests that local people may be correct.
The world's hydrological systems are changing rapidly. Food security in many regions is heavily threatened by changing rainfall patterns (Lobell et al. 2008). Meanwhile, deforestation has already reduced vapor flows derived from forests by almost five percent (an estimated 3000 cubic kilometers [km3] per year of a global terrestrial derived total of 67,000 km3), with little sign of slowing (Gordon et al. 2005). The need for understanding how vegetation cover influences climate has never been more urgent.
Makarieva and Gorshkov have developed a hypothesis to explain how forests attract moist air and how continental regions such as the Amazon basin remain wet (Makarieva et al. 2006, Makarieva and Gorshkov 2007, and associated online discussions; hereafter, collectively “Makarieva and Gorshkov”). The implications are substantial. Conventional models typically predict a “moderate” 20 to 30 percent decline in rainfall after continental-scale deforestation (Bonan 2008). In contrast, Makarieva and Gorshkov suggest that even relatively localized clearing might ultimately switch entire continental climates from wet to arid, with rainfall declining by more than 95 percent in the interior. my thoughts are - it's a mix... majority of the rainfall is ocean related.... that's why it rains in the oceans ambapo hakuna miti on land - it's a huge percentage ocean rain modified by relief (mostly seasonal rain) and some convectional rain all year round. The article agrees with evapo transpiration What say you about Dubai? the reason I quoted the abstract of that paper is because Quote:The role of vegetation remains controversial. Local people in many partially forested regions believe that forests “attract” rain, whereas most modern climate experts would disagree. But a new hypothesis suggests that local people may be correct. it's not agreed upon that vegetation 'attracts' rain. Dubai and the whole arabian peninsular are high pressure regions! All Mushrooms are edible! Some Mushroom are only edible ONCE!
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Rank: Elder Joined: 2/26/2012 Posts: 15,980
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masukuma wrote:murchr wrote:masukuma wrote:murchr wrote:Trees take water from the soil and release it into the atmosphere. Tree leaves also act as interceptors, catching falling rain, which then evaporates causing rain precipitation elsewhere —evapo-transpiration
This is what happens in Drc Kericho Mauritius etc it's not agreed upon... Quote:Life depends on Earth's hydrological cycle, especially the processes that carry moisture from oceans to land. The role of vegetation remains controversial. Local people in many partially forested regions believe that forests “attract” rain, whereas most modern climate experts would disagree. But a new hypothesis suggests that local people may be correct.
The world's hydrological systems are changing rapidly. Food security in many regions is heavily threatened by changing rainfall patterns (Lobell et al. 2008). Meanwhile, deforestation has already reduced vapor flows derived from forests by almost five percent (an estimated 3000 cubic kilometers [km3] per year of a global terrestrial derived total of 67,000 km3), with little sign of slowing (Gordon et al. 2005). The need for understanding how vegetation cover influences climate has never been more urgent.
Makarieva and Gorshkov have developed a hypothesis to explain how forests attract moist air and how continental regions such as the Amazon basin remain wet (Makarieva et al. 2006, Makarieva and Gorshkov 2007, and associated online discussions; hereafter, collectively “Makarieva and Gorshkov”). The implications are substantial. Conventional models typically predict a “moderate” 20 to 30 percent decline in rainfall after continental-scale deforestation (Bonan 2008). In contrast, Makarieva and Gorshkov suggest that even relatively localized clearing might ultimately switch entire continental climates from wet to arid, with rainfall declining by more than 95 percent in the interior. my thoughts are - it's a mix... majority of the rainfall is ocean related.... that's why it rains in the oceans ambapo hakuna miti on land - it's a huge percentage ocean rain modified by relief (mostly seasonal rain) and some convectional rain all year round. The article agrees with evapo transpiration What say you about Dubai? the reason I quoted the abstract of that paper is because Quote:The role of vegetation remains controversial. Local people in many partially forested regions believe that forests “attract” rain, whereas most modern climate experts would disagree. But a new hypothesis suggests that local people may be correct. it's not agreed upon that vegetation 'attracts' rain. Dubai and the whole arabian peninsular are high pressure regions! Now - Surely when did evapo transpiration become "attracting rain"?  The article you posted also says Quote:Observations suggest that extensive deforestation often reduces cloud formation and rainfall, and accentuates seasonality (Bonan 2008). Forest clearings can cause a distinct, convection-driven “vegetation breeze” in which moist air is drawn out of the forest (Laurance 2005). Atmospheric turbulence resulting from canopy roughness and temperature-driven convection are thought to explain the localized increase in rainfall sometimes associated with fragmented forest cover
In equatorial climates, forests maintain higher evaporation rates than other cover types, including open water. Thus, forests draw in moist air from elsewhere; the larger the forest area, the greater the volumes of moist air drawn in (see figure 1). This additional moisture rises and condenses in turn, generating a positive feedback in which a large proportion of the water condensing as clouds over wet areas is drawn in from elsewhere.
"There are only two emotions in the market, hope & fear. The problem is you hope when you should fear & fear when you should hope: - Jesse Livermore
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Rank: Elder Joined: 10/4/2006 Posts: 13,822 Location: Nairobi
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murchr wrote:masukuma wrote:murchr wrote:masukuma wrote:murchr wrote:Trees take water from the soil and release it into the atmosphere. Tree leaves also act as interceptors, catching falling rain, which then evaporates causing rain precipitation elsewhere —evapo-transpiration
This is what happens in Drc Kericho Mauritius etc it's not agreed upon... Quote:Life depends on Earth's hydrological cycle, especially the processes that carry moisture from oceans to land. The role of vegetation remains controversial. Local people in many partially forested regions believe that forests “attract” rain, whereas most modern climate experts would disagree. But a new hypothesis suggests that local people may be correct.
The world's hydrological systems are changing rapidly. Food security in many regions is heavily threatened by changing rainfall patterns (Lobell et al. 2008). Meanwhile, deforestation has already reduced vapor flows derived from forests by almost five percent (an estimated 3000 cubic kilometers [km3] per year of a global terrestrial derived total of 67,000 km3), with little sign of slowing (Gordon et al. 2005). The need for understanding how vegetation cover influences climate has never been more urgent.
Makarieva and Gorshkov have developed a hypothesis to explain how forests attract moist air and how continental regions such as the Amazon basin remain wet (Makarieva et al. 2006, Makarieva and Gorshkov 2007, and associated online discussions; hereafter, collectively “Makarieva and Gorshkov”). The implications are substantial. Conventional models typically predict a “moderate” 20 to 30 percent decline in rainfall after continental-scale deforestation (Bonan 2008). In contrast, Makarieva and Gorshkov suggest that even relatively localized clearing might ultimately switch entire continental climates from wet to arid, with rainfall declining by more than 95 percent in the interior. my thoughts are - it's a mix... majority of the rainfall is ocean related.... that's why it rains in the oceans ambapo hakuna miti on land - it's a huge percentage ocean rain modified by relief (mostly seasonal rain) and some convectional rain all year round. The article agrees with evapo transpiration What say you about Dubai? the reason I quoted the abstract of that paper is because Quote:The role of vegetation remains controversial. Local people in many partially forested regions believe that forests “attract” rain, whereas most modern climate experts would disagree. But a new hypothesis suggests that local people may be correct. it's not agreed upon that vegetation 'attracts' rain. Dubai and the whole arabian peninsular are high pressure regions! Now - Surely when did evapo transpiration become "attracting rain"? The article you posted also says Quote:Observations suggest that extensive deforestation often reduces cloud formation and rainfall, and accentuates seasonality (Bonan 2008). Forest clearings can cause a distinct, convection-driven “vegetation breeze” in which moist air is drawn out of the forest (Laurance 2005). Atmospheric turbulence resulting from canopy roughness and temperature-driven convection are thought to explain the localized increase in rainfall sometimes associated with fragmented forest cover
In equatorial climates, forests maintain higher evaporation rates than other cover types, including open water. Thus, forests draw in moist air from elsewhere; the larger the forest area, the greater the volumes of moist air drawn in (see figure 1). This additional moisture rises and condenses in turn, generating a positive feedback in which a large proportion of the water condensing as clouds over wet areas is drawn in from elsewhere.
That's why I said... Quote: on land - it's a huge percentage ocean rain modified by relief (mostly seasonal rain) and some convectional rain all year round. if you cut down all trees - you will still have seasonal rain (the one that has nothing to do with vegetation) but you will lack the 'all year round' rain in some high altitude areas namely 'convectional' rain. All Mushrooms are edible! Some Mushroom are only edible ONCE!
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Rank: Elder Joined: 2/26/2012 Posts: 15,980
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masukuma wrote:murchr wrote:masukuma wrote:murchr wrote:masukuma wrote:murchr wrote:Trees take water from the soil and release it into the atmosphere. Tree leaves also act as interceptors, catching falling rain, which then evaporates causing rain precipitation elsewhere —evapo-transpiration
This is what happens in Drc Kericho Mauritius etc it's not agreed upon... Quote:Life depends on Earth's hydrological cycle, especially the processes that carry moisture from oceans to land. The role of vegetation remains controversial. Local people in many partially forested regions believe that forests “attract” rain, whereas most modern climate experts would disagree. But a new hypothesis suggests that local people may be correct.
The world's hydrological systems are changing rapidly. Food security in many regions is heavily threatened by changing rainfall patterns (Lobell et al. 2008). Meanwhile, deforestation has already reduced vapor flows derived from forests by almost five percent (an estimated 3000 cubic kilometers [km3] per year of a global terrestrial derived total of 67,000 km3), with little sign of slowing (Gordon et al. 2005). The need for understanding how vegetation cover influences climate has never been more urgent.
Makarieva and Gorshkov have developed a hypothesis to explain how forests attract moist air and how continental regions such as the Amazon basin remain wet (Makarieva et al. 2006, Makarieva and Gorshkov 2007, and associated online discussions; hereafter, collectively “Makarieva and Gorshkov”). The implications are substantial. Conventional models typically predict a “moderate” 20 to 30 percent decline in rainfall after continental-scale deforestation (Bonan 2008). In contrast, Makarieva and Gorshkov suggest that even relatively localized clearing might ultimately switch entire continental climates from wet to arid, with rainfall declining by more than 95 percent in the interior. my thoughts are - it's a mix... majority of the rainfall is ocean related.... that's why it rains in the oceans ambapo hakuna miti on land - it's a huge percentage ocean rain modified by relief (mostly seasonal rain) and some convectional rain all year round. The article agrees with evapo transpiration What say you about Dubai? the reason I quoted the abstract of that paper is because Quote:The role of vegetation remains controversial. Local people in many partially forested regions believe that forests “attract” rain, whereas most modern climate experts would disagree. But a new hypothesis suggests that local people may be correct. it's not agreed upon that vegetation 'attracts' rain. Dubai and the whole arabian peninsular are high pressure regions! Now - Surely when did evapo transpiration become "attracting rain"? The article you posted also says Quote:Observations suggest that extensive deforestation often reduces cloud formation and rainfall, and accentuates seasonality (Bonan 2008). Forest clearings can cause a distinct, convection-driven “vegetation breeze” in which moist air is drawn out of the forest (Laurance 2005). Atmospheric turbulence resulting from canopy roughness and temperature-driven convection are thought to explain the localized increase in rainfall sometimes associated with fragmented forest cover
In equatorial climates, forests maintain higher evaporation rates than other cover types, including open water. Thus, forests draw in moist air from elsewhere; the larger the forest area, the greater the volumes of moist air drawn in (see figure 1). This additional moisture rises and condenses in turn, generating a positive feedback in which a large proportion of the water condensing as clouds over wet areas is drawn in from elsewhere.
That's why I said... Quote: on land - it's a huge percentage ocean rain modified by relief (mostly seasonal rain) and some convectional rain all year round. if you cut down all trees - you will still have seasonal rain (the one that has nothing to do with vegetation) but you will lack the 'all year round' rain in some high altitude areas namely 'convectional' rain. Who argued with that....incase you missed it I was just stating how trees cause precipitation too and are important. Countering the mvua inatoka mbinguni "There are only two emotions in the market, hope & fear. The problem is you hope when you should fear & fear when you should hope: - Jesse Livermore
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Rank: Elder Joined: 7/28/2015 Posts: 9,562 Location: Rodi Kopany, Homa Bay
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So what brings about the other? Is it the forests that bring about rain or the rain that brings about forests? The fact is that if an area receives rain above a certain amount (about 1000mm per yr) trees dominate and form forests. The water evaporates from the ocean/lakes and condenses as it moves inland and encounters mountains/highlands falling as rain. And that is why all highland areas whose "mountains" cool the air moisture and make if fall as rain end up with forests e.g mt kenya, elgon, kilimanjaro, aberdares, taita, mau etc. Therefore it will still rain even if you clear off all forest from mt kenya. Also, even if you planted a billion trees in kitui, it still wont make it rain. Thus its rains that bring about forests not forests bringing rain. 
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Rank: Elder Joined: 7/28/2015 Posts: 9,562 Location: Rodi Kopany, Homa Bay
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murchr wrote:masukuma wrote:murchr wrote:masukuma wrote:murchr wrote:masukuma wrote:murchr wrote:Trees take water from the soil and release it into the atmosphere. Tree leaves also act as interceptors, catching falling rain, which then evaporates causing rain precipitation elsewhere —evapo-transpiration
This is what happens in Drc Kericho Mauritius etc it's not agreed upon... Quote:Life depends on Earth's hydrological cycle, especially the processes that carry moisture from oceans to land. The role of vegetation remains controversial. Local people in many partially forested regions believe that forests “attract” rain, whereas most modern climate experts would disagree. But a new hypothesis suggests that local people may be correct.
The world's hydrological systems are changing rapidly. Food security in many regions is heavily threatened by changing rainfall patterns (Lobell et al. 2008). Meanwhile, deforestation has already reduced vapor flows derived from forests by almost five percent (an estimated 3000 cubic kilometers [km3] per year of a global terrestrial derived total of 67,000 km3), with little sign of slowing (Gordon et al. 2005). The need for understanding how vegetation cover influences climate has never been more urgent.
Makarieva and Gorshkov have developed a hypothesis to explain how forests attract moist air and how continental regions such as the Amazon basin remain wet (Makarieva et al. 2006, Makarieva and Gorshkov 2007, and associated online discussions; hereafter, collectively “Makarieva and Gorshkov”). The implications are substantial. Conventional models typically predict a “moderate” 20 to 30 percent decline in rainfall after continental-scale deforestation (Bonan 2008). In contrast, Makarieva and Gorshkov suggest that even relatively localized clearing might ultimately switch entire continental climates from wet to arid, with rainfall declining by more than 95 percent in the interior. my thoughts are - it's a mix... majority of the rainfall is ocean related.... that's why it rains in the oceans ambapo hakuna miti on land - it's a huge percentage ocean rain modified by relief (mostly seasonal rain) and some convectional rain all year round. The article agrees with evapo transpiration What say you about Dubai? the reason I quoted the abstract of that paper is because Quote:The role of vegetation remains controversial. Local people in many partially forested regions believe that forests “attract” rain, whereas most modern climate experts would disagree. But a new hypothesis suggests that local people may be correct. it's not agreed upon that vegetation 'attracts' rain. Dubai and the whole arabian peninsular are high pressure regions! Now - Surely when did evapo transpiration become "attracting rain"? The article you posted also says Quote:Observations suggest that extensive deforestation often reduces cloud formation and rainfall, and accentuates seasonality (Bonan 2008). Forest clearings can cause a distinct, convection-driven “vegetation breeze” in which moist air is drawn out of the forest (Laurance 2005). Atmospheric turbulence resulting from canopy roughness and temperature-driven convection are thought to explain the localized increase in rainfall sometimes associated with fragmented forest cover
In equatorial climates, forests maintain higher evaporation rates than other cover types, including open water. Thus, forests draw in moist air from elsewhere; the larger the forest area, the greater the volumes of moist air drawn in (see figure 1). This additional moisture rises and condenses in turn, generating a positive feedback in which a large proportion of the water condensing as clouds over wet areas is drawn in from elsewhere.
That's why I said... Quote: on land - it's a huge percentage ocean rain modified by relief (mostly seasonal rain) and some convectional rain all year round. if you cut down all trees - you will still have seasonal rain (the one that has nothing to do with vegetation) but you will lack the 'all year round' rain in some high altitude areas namely 'convectional' rain. Who argued with that....incase you missed it I was just stating how trees cause precipitation too and are important. Countering the mvua inatoka mbinguni You are right and wrong. Right in that trees and other vegetation like crops, herbs, grass etc do transpire and also add moisture into the atmosphere. The trees will not cause precipitation but will only modify the hydrological cycle. Therefore planting a billion trees in kitui will enrich the clouds with moisture as they move to go and condense in mt kenya and this will result in more rain huko nyeri, embu and meru. 
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Rank: Elder Joined: 7/28/2015 Posts: 9,562 Location: Rodi Kopany, Homa Bay
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Planting trees is actually a BAD idea because they remove water from an area. https://forestsnews.cifo...stricken-regions?fnl=en
Quote:The relationship between forests and water is complex because, at the local level, catchment studies show that trees actually remove water from the system.
Growing trees take water from the soil and release it into the atmosphere. Tree leaves also act as interceptors, catching falling rain, which then evaporates causing rain precipitation elsewhere — a process known as evapo-transpiration.
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Rank: Elder Joined: 10/3/2008 Posts: 4,057 Location: Gwitu
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hardwood wrote:Planting trees is actually a BAD idea because they remove water from an area. https://forestsnews.cifo...stricken-regions?fnl=en
Quote:The relationship between forests and water is complex because, at the local level, catchment studies show that trees actually remove water from the system.
Growing trees take water from the soil and release it into the atmosphere. Tree leaves also act as interceptors, catching falling rain, which then evaporates causing rain precipitation elsewhere — a process known as evapo-transpiration. Please read the entire article. Truth forever on the scaffold
Wrong forever on the throne
(James Russell Rowell)
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Rank: Elder Joined: 7/28/2015 Posts: 9,562 Location: Rodi Kopany, Homa Bay
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kaka2za wrote:hardwood wrote:Planting trees is actually a BAD idea because they remove water from an area. https://forestsnews.cifo...stricken-regions?fnl=en
Quote:The relationship between forests and water is complex because, at the local level, catchment studies show that trees actually remove water from the system.
Growing trees take water from the soil and release it into the atmosphere. Tree leaves also act as interceptors, catching falling rain, which then evaporates causing rain precipitation elsewhere — a process known as evapo-transpiration. Please read the entire article. I have read the entire article. And what the forest experts are saying is that at an individual/local level you may not benefit from more rain if you plant trees because the trees will remove water from your shamba and the water vapour will be transported by wind to go and fall as rain in another area. In other words your trees will leave your shamba with a negative water budget. Did you see the paragraph below in that article? Quote:But the use of forests as a climate adaptation tool requires regional, national, and international coordination, Ellison said, because the increased rainfall will likely occur not over the forested region, but elsewhere.
“You can’t just think about this at the level of individual catchments, you have to think about much larger regional relationships. You have to think carefully about how all the different areas of a region are interlinked in terms of the cross-continental transport of water vapour. Therefore if you want more rain in your shamba in mt kenya you should actually encourage ngilu to plant more trees in kitui......or to ban charcoal burning .
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Rank: Elder Joined: 7/28/2015 Posts: 9,562 Location: Rodi Kopany, Homa Bay
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@kaka2za to give an example, those who plant eucalyptus forests do not end up with more rain but dry shambas and depleted water sources. The trees do not "pull rain" but rather remove soil moisture and loose it in the atmosphere where it goes to fall as rain in other areas. All the other tree species do the same but at a lower scale. That is why there is an outcry against eucalyptus e.g. the link below. https://www.standardmedi...-water-sources-in-kisii
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Rank: Elder Joined: 10/3/2008 Posts: 4,057 Location: Gwitu
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hardwood wrote:@kaka2za to give an example, those who plant eucalyptus forests do not end up with more rain but dry shambas and depleted water sources. The trees do not "pull rain" but rather remove soil moisture and loose it in the atmosphere where it goes to fall as rain in other areas. All the other tree species do the same but at a lower scale. That is why there is an outcry against eucalyptus e.g. the link below. https://www.standardmedi...-water-sources-in-kisii
. Different types of trees have varied characteristics. If you own marshy land then eucalyptus trees would be ok because they would capture the water and release it to the ecosystem. Benefits of forest cover are at a wider geographical scope. A tree planted in Limuru might not bring rain there but will increase rainfall in Kitui for example. Rain falling in Limuru might also be a result of forest cover in Nandi hills. Truth forever on the scaffold
Wrong forever on the throne
(James Russell Rowell)
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Rank: Elder Joined: 7/28/2015 Posts: 9,562 Location: Rodi Kopany, Homa Bay
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kaka2za wrote:hardwood wrote:@kaka2za to give an example, those who plant eucalyptus forests do not end up with more rain but dry shambas and depleted water sources. The trees do not "pull rain" but rather remove soil moisture and loose it in the atmosphere where it goes to fall as rain in other areas. All the other tree species do the same but at a lower scale. That is why there is an outcry against eucalyptus e.g. the link below. https://www.standardmedi...-water-sources-in-kisii
. Different types of trees have varied characteristics. If you own marshy land then eucalyptus trees would be ok because they would capture the water and release it to the ecosystem. Benefits of forest cover are at a wider geographical scope. A tree planted in Limuru might not bring rain there but will increase rainfall in Kitui for example. Rain falling in Limuru might also be a result of forest cover in Nandi hills. Exactly, everyone has to plant trees for all to benefit, coz you can't determine where "the rain from your trees" will fall. That is why there is an annual country-wide tree planting activity.
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Rank: Elder Joined: 7/28/2015 Posts: 9,562 Location: Rodi Kopany, Homa Bay
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hardwood wrote:kaka2za wrote:hardwood wrote:@kaka2za to give an example, those who plant eucalyptus forests do not end up with more rain but dry shambas and depleted water sources. The trees do not "pull rain" but rather remove soil moisture and loose it in the atmosphere where it goes to fall as rain in other areas. All the other tree species do the same but at a lower scale. That is why there is an outcry against eucalyptus e.g. the link below. https://www.standardmedi...-water-sources-in-kisii
. Different types of trees have varied characteristics. If you own marshy land then eucalyptus trees would be ok because they would capture the water and release it to the ecosystem. Benefits of forest cover are at a wider geographical scope. A tree planted in Limuru might not bring rain there but will increase rainfall in Kitui for example. Rain falling in Limuru might also be a result of forest cover in Nandi hills. Exactly, everyone has to plant trees for all to benefit, coz you can't determine where "the rain from your trees" will fall. That is why there is an annual country-wide tree planting activity. Also the atmosphere above an area with an extensive tree cover is cooler and more humid and therefore any passing clouds condense faster and result in rain. That is why they say trees attract rain.
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Rank: Elder Joined: 10/4/2006 Posts: 13,822 Location: Nairobi
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hardwood wrote:hardwood wrote:kaka2za wrote:hardwood wrote:@kaka2za to give an example, those who plant eucalyptus forests do not end up with more rain but dry shambas and depleted water sources. The trees do not "pull rain" but rather remove soil moisture and loose it in the atmosphere where it goes to fall as rain in other areas. All the other tree species do the same but at a lower scale. That is why there is an outcry against eucalyptus e.g. the link below. https://www.standardmedi...-water-sources-in-kisii
. Different types of trees have varied characteristics. If you own marshy land then eucalyptus trees would be ok because they would capture the water and release it to the ecosystem. Benefits of forest cover are at a wider geographical scope. A tree planted in Limuru might not bring rain there but will increase rainfall in Kitui for example. Rain falling in Limuru might also be a result of forest cover in Nandi hills. Exactly, everyone has to plant trees for all to benefit, coz you can't determine where "the rain from your trees" will fall. That is why there is an annual country-wide tree planting activity. Also the atmosphere above an area with an extensive tree cover is cooler and more humid and therefore any passing clouds condense faster and result in rain. That is why they say trees attract rain. perhaps because of the latent heat of vaporization being absorbed all year round since as I mentioned... vegetation 'regulates' evaporation. if rain fell in a place without covering... it would evaporate at once...and the latent heat of vaporization would be absorbed in 1 or 2 days... before things go back to normal. At least that's my thinking! All Mushrooms are edible! Some Mushroom are only edible ONCE!
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Rank: Elder Joined: 7/28/2015 Posts: 9,562 Location: Rodi Kopany, Homa Bay
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masukuma wrote:hardwood wrote:hardwood wrote:kaka2za wrote:hardwood wrote:@kaka2za to give an example, those who plant eucalyptus forests do not end up with more rain but dry shambas and depleted water sources. The trees do not "pull rain" but rather remove soil moisture and loose it in the atmosphere where it goes to fall as rain in other areas. All the other tree species do the same but at a lower scale. That is why there is an outcry against eucalyptus e.g. the link below. https://www.standardmedi...-water-sources-in-kisii
. Different types of trees have varied characteristics. If you own marshy land then eucalyptus trees would be ok because they would capture the water and release it to the ecosystem. Benefits of forest cover are at a wider geographical scope. A tree planted in Limuru might not bring rain there but will increase rainfall in Kitui for example. Rain falling in Limuru might also be a result of forest cover in Nandi hills. Exactly, everyone has to plant trees for all to benefit, coz you can't determine where "the rain from your trees" will fall. That is why there is an annual country-wide tree planting activity. Also the atmosphere above an area with an extensive tree cover is cooler and more humid and therefore any passing clouds condense faster and result in rain. That is why they say trees attract rain. perhaps because of the latent heat of vaporization being absorbed all year round since as I mentioned... vegetation 'regulates' evaporation. if rain fell in a place without covering... it would evaporate at once...and the latent heat of vaporization would be absorbed in 1 or 2 days... before things go back to normal. At least that's my thinking! The vegetation is very important in making water percolate into the soil. When there is no vegetation cover, most of the rainwater flows downstream causing flash floods and erosion. But when you have a forest, the forest environment acts like a giant sponge which absorbs the rainfall and then releases the water pole pole and that is how we have permanent rivers coming from the forests. That is why forests are called water catchment areas. Therefore though you will still get seasonal/relief rainfall after clearing forests, the water storage characteristic is lost and therefore rivers dry out only flowing during the wet season because the "forest sponge" is gone.
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Rank: Elder Joined: 10/4/2006 Posts: 13,822 Location: Nairobi
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hardwood wrote:masukuma wrote:hardwood wrote:hardwood wrote:kaka2za wrote:hardwood wrote:@kaka2za to give an example, those who plant eucalyptus forests do not end up with more rain but dry shambas and depleted water sources. The trees do not "pull rain" but rather remove soil moisture and loose it in the atmosphere where it goes to fall as rain in other areas. All the other tree species do the same but at a lower scale. That is why there is an outcry against eucalyptus e.g. the link below. https://www.standardmedi...-water-sources-in-kisii
. Different types of trees have varied characteristics. If you own marshy land then eucalyptus trees would be ok because they would capture the water and release it to the ecosystem. Benefits of forest cover are at a wider geographical scope. A tree planted in Limuru might not bring rain there but will increase rainfall in Kitui for example. Rain falling in Limuru might also be a result of forest cover in Nandi hills. Exactly, everyone has to plant trees for all to benefit, coz you can't determine where "the rain from your trees" will fall. That is why there is an annual country-wide tree planting activity. Also the atmosphere above an area with an extensive tree cover is cooler and more humid and therefore any passing clouds condense faster and result in rain. That is why they say trees attract rain. perhaps because of the latent heat of vaporization being absorbed all year round since as I mentioned... vegetation 'regulates' evaporation. if rain fell in a place without covering... it would evaporate at once...and the latent heat of vaporization would be absorbed in 1 or 2 days... before things go back to normal. At least that's my thinking! The vegetation is very important in making water percolate into the soil. When there is no vegetation cover, most of the rainwater flows downstream causing flash floods and erosion. But when you have a forest, the forest environment acts like a giant sponge which absorbs the rainfall and then releases the water pole pole and that is how we have permanent rivers coming from the forests. That is why forests are called water catchment areas. Therefore though you will still get relief rainfall after clearing forests, the water storage characteristic is lost and therefore rivers dry out only flowing during the rainy wet season because the "forest sponge" is gone. that makes sense! All Mushrooms are edible! Some Mushroom are only edible ONCE!
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Rank: Elder Joined: 7/10/2008 Posts: 9,131 Location: Kanjo
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So using these illustrations, can we say water/rain is only transformed from an area(form) to another and not necessarily lost. i.e ukame in one area could be a blessing in another...something similar to the first law of thermodynamics(energy) i.am.back!!!!
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Rank: Elder Joined: 3/18/2011 Posts: 12,069 Location: Kianjokoma
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hardwood wrote:@kaka2za to give an example, those who plant eucalyptus forests do not end up with more rain but dry shambas and depleted water sources. The trees do not "pull rain" but rather remove soil moisture and loose it in the atmosphere where it goes to fall as rain in other areas. All the other tree species do the same but at a lower scale. That is why there is an outcry against eucalyptus e.g. the link below. https://www.standardmedi...-water-sources-in-kisii
. Type of tree is a determinant yes but there are many species of trees whose water consumption is underrated and have deeper roots than eucalyptus
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