利用陆地卫星图像进行水资源评估

IF 0.9 4区环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES

Environmental Engineering and Management Journal Pub Date : 2021-02-01 DOI:10.30638/EEMJ.2021.030

C. Bădăluță-Minda, M. Herbei

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引用次数: 2

摘要

地表水观测对于研究水文过程是非常重要的，基于卫星的光学遥感器的最新进展促进了对某一地区或集水区地表水的传感领域。本文考虑分析一个集水区的卫星图像和地理信息系统（GIS）数据。巴纳特水文区位于罗马尼亚西部和西南部，巴尔扎瓦河流域在巴纳特水文区域内排水面积相对较小。利用GIS技术从Landsat-8卫星图像中提取NDWI、MNDWI、AWEI指数，评价其地表水提取性能。本文展示了基于卫星图像处理得出的指标对巴尔扎瓦河流域的监测。本研究的目的是从巴尔扎瓦河水文流域提取地表水体。然后，利用这些数据来寻找卫星图像的反射率与水参数之间的相关性和回归方程。NDWI是植物水分胁迫的一个指标，据观察，与2019年相比，2018年Barzava河流域受到了干旱的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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ASSESMENT OF WATER RESOURCES USING LANDSAT SATELLITE IMAGERY

Observation of surface water is a very important for studying hydrological processes and last advances in satellite-based optical remote sensors have promoted the field of sensing surface water of a certain area or from a catchment area. This paper has considered analysing data from satellite image and geographical information system (GIS) for a catchment area. Banat hydrographical area is situated in the western part and south-western part of Romania and Barzava River basin drains a relatively small area in Banat Hydrographical Area. GIS techniques were used for extract data NDWI, MNDWI, AWEI indexes from in Landsat-8 satellite in images to evaluate their performances for the extraction of surface water. This paper shows the monitoring of Barzava river basin based on the indices resulting from the processing of satellite images. The objective of this research was to extract the surface water bodies from the hydrographic basin of river Barzava. Then, these data are utilized for purpose finding correlation and regression equations between the reflectance of the satellite image and the water parameters. NDWI being an indicator of plant water stress, it is observed that for 2018 compared to 2019 the basin of the Barzava River was affected by the drought.

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来源期刊

Environmental Engineering and Management Journal 环境科学-环境科学

CiteScore

1.60

自引率

36.40%

发文量

审稿时长

8.6 months

期刊介绍： Environmental Engineering and Management Journal is an international journal that publishes reviewed original research papers of both experimental and theoretical nature in the following areas: environmental impact assessment; environmental integrated management; risk assessment and management; environmental chemistry; environmental protection technologies (water, air, soil); pollution reduction at source and waste minimization; chemical and biological process engineering; cleaner production, products and services; sensors in environment control; sources of radiation and protection technologies; waste valorization technologies and management; environmental biotechnology; energy and environment; modelling, simulation and optimization for environmental protection; technologies for drinking and industrial water; life cycle assessments of products; environmental strategies and policies; cost-profitt analysis in environmental protection; eco-industry and environmental market; environmental education and sustainable development. Environmental Engineering and Management Journal will publish: original communications describing important new discoveries or further developments in the above-mentioned topics; reviews, mainly of new rapidly developing areas of environmental protection; special themed issues on relevant topics; advertising.