从卫星图像预测里海东北部泛滥区

IF 2.8 4区 地球科学 Q2 GEOCHEMISTRY & GEOPHYSICS
Anzhelika T. Kamza , Irina A. Kuznetsova , Eugene L. Levin
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引用次数: 2

摘要

研究里海东北部海岸线的动态变化具有重要意义,因为里海水位不稳定,海岸线的变化会对哈萨克斯坦沿海地区的生态、经济和人口造成巨大的破坏。在这项工作中,我们利用遥感和地理信息系统(GIS)技术研究了里海东北部海岸线的变化,并预测了随着水位的增加洪水的范围。所提出的创建动态地图的方法可用于监测海岸线和预测该地区的洪水程度。通过这项工作,确定了影响海岸线变化的主要因素。通过分析1988 - 2019年的水位数据,发现1980 - 1995年出现了水位上升。最大海平面上升幅度为- 26.04 m。此后,海平面开始下降,1996 - 2009年没有明显变化;水位上下波动,平均为- 27.18 m。然后,编制了1988年至2019年里海水位动态图。动态图显示,里海北部和索拉凯达克北部和南部的水位上升和海岸明显后退。介绍了洪水预估面积的预测方法。结果,仅凭一张地图就预测出了东北海岸的洪涝区域。对Landsat和SRTM数据进行了对比分析。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Prediction of the flooding area of the northeastern Caspian Sea from satellite images

Studying the dynamic changes in the coastline of the northeastern Caspian Sea is significant since the level of the Caspian is unstable, and the coastline change can cause enormous damage to the ecology, economy, and population of the coastal part of Kazakhstan. In this work, we use remote sensing and Geographic Information System (GIS) technologies to study the changes in the coastline of the northeastern Caspian Sea and predict the extent of flooding with increasing water levels. The proposed methodology for creating dynamic maps can be used to monitor the coastline and forecast the extent of flooding in the area. As a result of this work, the main factors affecting changes in the coastline were identified. After analyzing the water level data from 1988 to 2019, it was revealed that the rise in water level was observed from 1980 to 1995. The maximum sea level rise was recorded at −26.04 m. After that, the sea level began to fall, and between 1996 and 2009, there were no significant changes; the water level fluctuated with an average of −27.18 m. Then, a map of the water level dynamics in the Caspian Sea from 1988 to 2019 was compiled. According to the dynamics map, water level rise and significant coastal retreat were revealed, especially in the northern part of the Caspian Sea and the northern and southern parts of Sora Kaydak. The method for predicting the estimated flooding area was described. As a result, based on a single map, the flooding area of the northeast coast was predicted. A comparative analysis of Landsat and SRTM data is presented.

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来源期刊
Geodesy and Geodynamics
Geodesy and Geodynamics GEOCHEMISTRY & GEOPHYSICS-
CiteScore
4.40
自引率
4.20%
发文量
566
审稿时长
69 days
期刊介绍: Geodesy and Geodynamics launched in October, 2010, and is a bimonthly publication. It is sponsored jointly by Institute of Seismology, China Earthquake Administration, Science Press, and another six agencies. It is an international journal with a Chinese heart. Geodesy and Geodynamics is committed to the publication of quality scientific papers in English in the fields of geodesy and geodynamics from authors around the world. Its aim is to promote a combination between Geodesy and Geodynamics, deepen the application of Geodesy in the field of Geoscience and quicken worldwide fellows'' understanding on scientific research activity in China. It mainly publishes newest research achievements in the field of Geodesy, Geodynamics, Science of Disaster and so on. Aims and Scope: new theories and methods of geodesy; new results of monitoring and studying crustal movement and deformation by using geodetic theories and methods; new ways and achievements in earthquake-prediction investigation by using geodetic theories and methods; new results of crustal movement and deformation studies by using other geologic, hydrological, and geophysical theories and methods; new results of satellite gravity measurements; new development and results of space-to-ground observation technology.
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