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Analysis of 1989/1990 main physical fields for air-sea coupled system in the tropical western Pacific
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作者 Yao Huadong Jiang Dayong and Liu Yimin Chinese Academy of Meteorological Sciences, Beijing 100081, China 《Acta Oceanologica Sinica》 SCIE CAS CSCD 1993年第1期93-105,共13页
In this paper, the marine ship observation data sets in the seventh (October 16-December 4. 1989) and eighth (June 1-July 16, 1990) cruises of PRC -US tropical ocean and global atmosphere (TOGA) joint scientific inves... In this paper, the marine ship observation data sets in the seventh (October 16-December 4. 1989) and eighth (June 1-July 16, 1990) cruises of PRC -US tropical ocean and global atmosphere (TOGA) joint scientific investigation in the tropical western Pacific are used to analyze the elements such as sea surface temperature (SST), surface wind field, fluxes and net heat budget, which are important physical parameters of underlying earth's surface influencing the global mean circulation evolution on seasonal and interannual time scales. These diagnostic analyses are very beneficial to the understanding of the regional climate characteristics and the air-sea interaction mechanism, and the improving of surface flux parameterizations and regional or global climate model. 展开更多
关键词 Analysis of 1989/1990 main physical fields for air-sea coupled system in the tropical western Pacific Nino
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Simulation Monitoring for Rainfall Infiltration in Soil Based on High Density Electrical Method
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作者 Shanshan Lv Dengke He 《Journal of Geoscience and Environment Protection》 2021年第5期1-7,共7页
<div style="text-align:justify;"> Rainfall infiltration is a porous medium flow problem with variable saturation. Based on the theoretical analysis of the flow field, electrical conductivity of rocks, ... <div style="text-align:justify;"> Rainfall infiltration is a porous medium flow problem with variable saturation. Based on the theoretical analysis of the flow field, electrical conductivity of rocks, the electrical field, the paper simulates the coupling relationship between the water saturation in soil and the apparent resistivity distribution. It combines the Richards equation, the Archie formula and the Laplace equation. The experiment simulates the potential field data by the Wenner setting in electrical exploration on a two-layer geologic model with continuous rainfall during 5 days, which shows that the effective saturation in soil is increasing with the rainfall time, while the apparent resistivity is decreasing. This can provide a theoretical basis for the analyzing the rainfall infiltration and porosity of the soil by using high-density electrical method in the future. </div> 展开更多
关键词 Rainfall Infiltration Multi physical field coupling Numerical Simulation High Density Electrical Method
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