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Observational evidence that soil moisture variations affect precipitation
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Koster, Randal D. Suarez, Max J. Higgins, R. Wayne VandenDool, Huug M. |
| Copyright Year | 2002 |
| Description | Land-atmosphere feedback, by which precipitation-induced soil moisture anomalies affect subsequent precipitation, may be an important element of Earth's climate system, but its very existence has never been demonstrated conclusively at regional to continental scales. Evidence for the feedback is sought in a 50-year observational precipitation dataset covering the United States. The precipitation variance and autocorrelation fields are characterized by features that agree (in structure, though not in magnitude) with those produced by an atmospheric general circulation model (AGCM). Because the model-generated features are known to result from land-atmosphere feedback alone, the observed features are highly suggestive of the existence of feedback in nature. |
| File Size | 695700 |
| Page Count | 14 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20030025244 |
| Archival Resource Key | ark:/13960/t4nk89p1v |
| Language | English |
| Publisher Date | 2002-01-01 |
| Access Restriction | Open |
| Subject Keyword | Meteorology And Climatology Climatology Atmospheric General Circulation Models Earth Atmosphere Soil Moisture Data Acquisition Annual Variations Computerized Simulation Evaporation Air Land Interactions Precipitation Meteorology Autocorrelation Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
