Visualizing Drought
The impacts of drought depend on time-scale. On short time-scales, drought means dry soil. On long time-scales, it means dry rivers and empty reservoirs. A region may simultaneously experience dry conditions on one time-scale and wet conditions on another e.g. wet soil but low streamflow or visa versa.
Standardized Precipitation Index (SPI) is a widely used [...]
March 6, 2010
Tags: R, time-series, water stress Posted in: Uncategorized 
One Comment
Arctic Sea Ice Extent Data
Sea ice volumes in polar regions are a key indicator of global change. In the Arctic, sea ice extent in summer has fallen dramatically in recent years, particularly in 2007 and 2008. The media do not exaggerate when they say that this is an alarming rate of decline. You can expect such media stories to [...]
June 15, 2009
Tags: AMSR-E, Arctic sea ice, extent, time-series Posted in: Climate 2 Comments
