The Centennial Trends Greater Horn of Africa precipitation dataset
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Abstract
East Africa is a drought prone, food and water insecure region with a highly variable climate. This complexity makes rainfall estimation challenging, and this challenge is compounded by low rain gauge densities and inhomogeneous monitoring networks. The dearth of observations is particularly problematic over the past decade, since the number of records in globally accessible archives has fallen precipitously. This lack of data coincides with an increasing scientific and humanitarian need to place recent seasonal and multi-annual East African precipitation extremes in a deep historic context. To serve this need, scientists from the UC Santa Barbara Climate Hazards Group and Florida State University have pooled their station archives and expertise to produce a high quality gridded ‘Centennial Trends’ precipitation dataset. Additional observations have been acquired from the national meteorological agencies and augmented with data provided by other universities. Extensive quality control of the data was carried out and seasonal anomalies interpolated using kriging. This paper documents the CenTrends methodology and data.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The Centennial Trends Greater Horn of Africa precipitation dataset |
| Series title | Scientific Data |
| DOI | 10.1038/sdata.2015.50 |
| Volume | 2 |
| Year Published | 2015 |
| Language | English |
| Publisher | Nature |
| Contributing office(s) | Earth Resources Observation and Science (EROS) Center |
| Description | Article 150050; 15 p. |
| Other Geospatial | Africa |
| Google Analytic Metrics | Metrics page |