Effects of irrigation and vegetation activity on early Indian summer monsoon variability


	Effects of irrigation and vegetation activity on early Indian summer monsoon variability

kmcolo

3-27-2009 3:21 PM

129 views

tags:

climate change, land-use change

kmcolo says:

An interesting article on the potential impact of land-use and irrigation on the Indian Summer Monsoon.

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/2328111a-76fc-4b9b-b7ba-22d1b16bbfbf/5B88FEE0-1A53-40C1-B012-C261AE903934/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www3.interscience.wiley.com/journal/119876531/abstract?CRETRY=1&SRETRY=0" href="http://www3.interscience.wiley.com/journal/119876531/abstract?CRETRY=1&SRETRY=0" style="font-size: 11px;">www3.interscience.wiley.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www3.interscience.wiley.com/journal/119876531/abstract?CRETRY=1&SRETRY=0">We examined the effects of land cover change over the Indian subcontinent during pre-monsoon season (March, April, and May - MAM) on early Indian summer monsoon (ISM) rainfall using observed Normalized Difference Vegetation Index (NDVI) and July precipitation for the period of 1982-2003. </blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www3.interscience.wiley.com/journal/119876531/abstract?CRETRY=1&SRETRY=0">July rainfall significantly decreased in central and southern India, and the decrease is statistically related to the increase in the preceding MAM NDVI anomalies.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www3.interscience.wiley.com/journal/119876531/abstract?CRETRY=1&SRETRY=0">A weak early ISM appears to be at least partially a result of irrigation and the resultant increased vegetation and crop activity prior to the monsoon. </blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/5B88FEE0-1A53-40C1-B012-C261AE903934/blog/" title="blog or email this clip"><img src="http://content6.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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