A Look at Amazon Basin Seasonal Dynamics with the Biophysical ...
A Look at Amazon Basin Seasonal Dynamics with the Biophysical ... A Look at Amazon Basin Seasonal Dynamics with the Biophysical ...
Carbon emissions from Land Cover Change in AmazoniaD. Skole 1 , W. Chomentowski 1 , M. Cochrane. 1 .1Michigan State University - Basic Science and Remote Sensing InitiativeLand cover change in ecosystems of dense biomass like the humid tropical forests of theAmazon basin affects the carbon budget for the earth. Since the early 70’s nearly 10percent (440 km 2 ) of the Brazilian Amazon has been converted to pasture and otheragricultural uses. Landsat Thematic Mapper (TM) and Enhanced Thematic Mapper(ETM+) were used to map land cover change over the region for three time periods,1992, 1996 and 1999 at a scale of 1:250,000. During the last 30 years of land coverchange in Amazonia carbon has been released into the atmosphere from forest clearing,logging and degradation. Carbon has also been sequestered by regenerating forests. TheTropical Rainforest Information Center (TRFIC) Landsat TM land cover data set is usedin conjunction with an above ground carbon map developed from the RADAMvegetation data set to spatially quantify sources and sinks of carbon in Amazonia over thepast 30 years.
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Carbon emissions from Land Cover Change in <strong>Amazon</strong>iaD. Skole 1 , W. Chomentowski 1 , M. Cochrane. 1 .1Michigan St<strong>at</strong>e University - Basic Science and Remote Sensing Initi<strong>at</strong>iveLand cover change in ecosystems of dense biomass like <strong>the</strong> humid tropical forests of <strong>the</strong><strong>Amazon</strong> basin affects <strong>the</strong> carbon budget for <strong>the</strong> earth. Since <strong>the</strong> early 70’s nearly 10percent (440 km 2 ) of <strong>the</strong> Brazilian <strong>Amazon</strong> has been converted to pasture and o<strong>the</strong>ragricultural uses. Lands<strong>at</strong> Them<strong>at</strong>ic Mapper (TM) and Enhanced Them<strong>at</strong>ic Mapper(ETM+) were used to map land cover change over <strong>the</strong> region for three time periods,1992, 1996 and 1999 <strong>at</strong> a scale of 1:250,000. During <strong>the</strong> last 30 years of land coverchange in <strong>Amazon</strong>ia carbon has been released into <strong>the</strong> <strong>at</strong>mosphere from forest clearing,logging and degrad<strong>at</strong>ion. Carbon has also been sequestered by regener<strong>at</strong>ing forests. TheTropical Rainforest Inform<strong>at</strong>ion Center (TRFIC) Lands<strong>at</strong> TM land cover d<strong>at</strong>a set is usedin conjunction <strong>with</strong> an above ground carbon map developed from <strong>the</strong> RADAMveget<strong>at</strong>ion d<strong>at</strong>a set to sp<strong>at</strong>ially quantify sources and sinks of carbon in <strong>Amazon</strong>ia over <strong>the</strong>past 30 years.
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