An analysis of atmospheric water vapor content and its influencing factors in Heilongjiang Province
Linlin CUI1, Qiao YUAN1, Guosheng LI2,3()
1.College of Resources and Environment, Chengdu University of Information Technology, Chengdu 610225, China 2.Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101,China 3.Key Laboratory of Coastal Wetland Biogeosciences, China Geological Survey, Qingdao 266071, China
Atmospheric water vapor content plays an important role in the water cycle between sea and land as well as the formation of aerosol and cloud. Therefore, it is crucial to investigate its spatial-temporal change and influence factors. However, the impact of land use and landform types on it still needs further study. In this paper, the authors selected Heilongjiang Province as the study area, and used two - channel and three - channel ratio methods to retrieve the atmospheric water vapor content and validate the retrieval precision based on MODIS data and sounding real-measure data. Then, the authors analyzed its spatial-temporal change and the relationships between land use types, landform types and atmospheric water vapor content. Some conclusions have been reached: ①The performance of two-channel approach is better than that of three-channel approach; ②The water vapor content in the northwestern and southeastern of Heilongjiang Province is low, but it is higher in the eastern and western parts from April to July; ③The atmospheric water vapor content presents a rising trend in its totality; ④The impacts of land use types and landform types on water vapor content are obvious.
崔林林, 袁乔, 李国胜. 黑龙江省大气水汽含量及其影响因素分析[J]. 国土资源遥感, 2019, 31(1): 79-86.
Linlin CUI, Qiao YUAN, Guosheng LI. An analysis of atmospheric water vapor content and its influencing factors in Heilongjiang Province. Remote Sensing for Land & Resources, 2019, 31(1): 79-86.
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