Search Results

You are looking at 1 - 1 of 1 items for :

  • Global Drought Information System - Drought Characterization, Occurrence, Driving Mechanisms, and Predictability Worldwide (GDIS Worldwide) x
  • All content x
Clear All
Lixia Zhang and Tianjun Zhou

lower reaches of the Yellow River and the salinization of soil in north China ( Qian and Zhu 2001 ). Fig . 9. The time series of (a) drought area percentage (%) for 1950–2009 over China derived from sc-PDSI (bars) and SPI-12 (line). The drought area is defined as the region where sc-PDSI < −2.0 and SPI-12 < −0.8. (b) As in (a), but for drought intensity, which is averaged sc-PDSI (SPI-12 < −0.8) over the areas where sc-PDSI < −2.0 (SPI-12 < −0.8). (c),(d) The annual variation of sc-PDSI (bars) and

Full access