Posts Tagged ‘drought’

Assessing Agricultural Drought in the Anthropocene: A Modified Palmer Drought Severity Index

By Mingzhi Yang , Weihua Xiao * ,Yong Zhao * ,Xudong Li, Fan Lu,Chuiyu Lu and Yan Chen | Drought Monitoring, Forecasting, and Risk Assessment Abstract In the current human-influenced era, drought is initiated by natural and human drivers, and human activities are as integral to drought as meteorological factors. In large irrigated agricultural regions with high levels of human intervention, where the natural farmland soil moisture…

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‘Unprecedented’: More than 100 million trees dead in California

By Michael Bodley | SFGate California’s lingering drought has pushed the number of dead trees across the state past 100 million, an ecological event experts are calling dangerous and unprecedented in underlining the heightened risk of wildfires fueled by bone-dry forests. In its latest aerial survey released Friday, the U.S. Forest Service said 62 million trees…

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NASA Finds Drought in Eastern Mediterranean Worst of Past 900 Years

NASA | March 1, 2016 In addition to identifying the driest years, the science team discovered patterns in the geographic distribution of droughts that provides a “fingerprint” for identifying the underlying causes. Together, these data show the range of natural variation in Mediterranean drought occurrence, which will allow scientists to differentiate droughts made worse by…

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