Knowledge Resource Center for Ecological Environment in Arid Area
| 报告编号 | E83-10355, NASA-CR-172882, NAS 1.26:172882 |
| 来源ID | NTRS_Document_ID: 19830021482 |
| Soil temperature investigations using satellite acquired thermal-infrared data in semi-arid regions. Thesis. Final Report; [Utah] | |
| Day, R. L.; Petersen, G. W. | |
| 英文摘要 | Thermal-infrared data from the Heat Capacity Mapping Mission satellite were used to map the spatial distribution of diurnal surface temperatures and to estimate mean annual soil temperatures (MAST) and annual surface temperature amplitudes (AMP) in semi-arid east central Utah. Diurnal data with minimal snow and cloud cover were selected for five dates throughout a yearly period and geometrically co-registered. Rubber-sheet stretching was aided by the WARP program which allowed preview of image transformations. Daytime maximum and nighttime minimum temperatures were averaged to generation average daily temperature (ADT) data set for each of the five dates. Five ADT values for each pixel were used to fit a sine curve describing the theoretical annual surface temperature response as defined by a solution of a one-dimensinal heat flow equation. Linearization of the equation produced estimates of MAST and AMP plus associated confidence statistics. MAST values were grouped into classes and displayed on a color video screen. Diurnal surface temperatures and MAST were primarily correlated with elevation. |
| 英文关键词 | ARID LANDS ELEVATION PERIODIC VARIATIONS SOIL MAPPING SURFACE TEMPERATURE THERMAL MAPPING UTAH COMPUTER PROGRAMS DATA PROCESSING EARTH RESOURCES PROGRAM HEAT CAPACITY MAPPING MISSION MULTISPECTRAL BAND SCANNERS STATISTICAL ANALYSIS |
| 出版年 | 1983 |
| 报告类型 | Thesis |
| 语种 | 英语 |
| 国家 | 美国 |
| URL | http://hdl.handle.net/2060/19830021482 |
| 资源类型 | 科技报告 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/258960 |
| 推荐引用方式 GB/T 7714 | Day, R. L.,Petersen, G. W.. Soil temperature investigations using satellite acquired thermal-infrared data in semi-arid regions. Thesis. Final Report; [Utah],1983. |
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