Global S&T Development Trend Analysis Platform of Resources and Environment
分面浏览：来源平台 |
| 当前检索式 | ((ALL：Standardized Precipitation Drought Index)) |
| 限定条件 | ((学科/领域：气候变化)) |
| world meteorological 3 | EurekAlert 2 | ANU Climate Change I 1 |
| Climate Central 1 | Science Daily 1 | World Resources Inst 1 |
