| タイトル | Soil Moisture Retrieval Through Changing Corn Using Active/Passive Microwave Remote Sensing |
| 著者（英） | Joseph, A.; Gish, T.; Utku, C.; DeLannoy, G.; Kim, E.; Houser, P.; ONeill, P. E.; Lang, R. |
| 著者所属（英） | NASA Goddard Space Flight Center |
| 発行日 | 2003-05-01 |
| 言語 | eng |
| 内容記述 | An extensive field experiment was conducted from May-early October, 2002 at the heavily instrumented USDA-ARS (U.S. Dept. of Agriculture-Agricultural Research Service) OPE3 (Optimizing Production Inputs for Economic and Environmental Enhancement) test site in Beltsville, MD to acquire data needed to address active/passive microwave algorithm, modeling, and ground validation issues for accurate soil moisture retrieval. During the experiment, a tower-mounted 1.4 GHz radiometer (Lrad) and a truck-mounted dual-frequency (1.6 and 4.75 GHz) radar system were deployed on the northern edge of the site. The soil in this portion of the field is a sandy loam (silt 23.5%, sand 60.3%, clay 16.1%) with a measured bulk density of 1.253 g/cu cm. Vegetation cover in the experiment consisted of a corn crop which was measured from just after planting on April 17, 2002 through senescence and harvesting on October 2. Although drought conditions prevailed during the summer, the corn yield was near average, with peak biomass reached in late July. |
| NASA分類 | Earth Resources and Remote Sensing |
| レポートNO | IGARSS2003-03.0138 |
| 権利 | Copyright, Distribution as joint owner in the copyright |
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