This study uses remote sensing techniques and Geographic Information Systems GIS to monitor and evaluate the changes in the shoreline and the surface water area of Al-Razzazah Lake in Iraq from the year 1989 until 2020. Based on six satellite Landsat images of the study area for the years 1989, 1999, 2002, 2015, 2019, and 2020, changes were evaluated and mapped. Two methods; Support Vector Machine SVM and ISO cluster classifiers have been used to classify and extract the surface water area. The results showed the great change and the heavy loss that this lake was exposed until the year 2019. The surface water area decreased by 84.1% from 1631.72 km² in 1989 to 259.65 km² in 2019. Also, the shoreline was decreased by 63.4% from 451.98 km in 1989 to 165.46 km in 2019. Most changes happened in the north part and east part of the lake. Otherwise, an increase in the surface area of the lake was observed in the year 2020. This indicates the lake's recovery again, which forces the responsible authorities to take the necessary management to maintain the lake's continuity and prevent drought. The retraction ratio of the shoreline and surface water area of Al-Razzazah Lake was in ascending values from the year 1989 up to 2019 at an extreme rate. This retraction negatively affects Iraq; socially, economically, and environmentally alike. It determines the quantity available to the lake and its default age.

本研究使用遥感技术和地理信息系统 GIS 监测和评估伊拉克 Al-Razzazah 湖海岸线和地表水域从 1989 年到 2020 年的变化。基于研究区域的六颗卫星陆地卫星图像对 1989、1999、2002、2015、2019 和 2020 年的变化进行了评估和绘制。两种方法；支持向量机 SVM 和 ISO 聚类分类器已被用于分类和提取地表水域。结果表明，到2019年，该湖暴露出的变化很大，损失惨重。地表水域面积从1989年的1631.72 km ^{2减少到259.65 km 2 ，减少了84.1%}2019年，湖岸线由1989年的451.98公里减少到2019年的165.46公里，减少了63.4%，变化多发生在湖的北部和东部。否则，在 2020 年观察到湖泊表面积增加。这表明湖泊再次恢复，这迫使主管当局采取必要的管理措施，以保持湖泊的连续性并防止干旱。从 1989 年到 2019 年，Al-Razzazah 湖岸线和地表水域的收缩率呈极速上升趋势。这种撤回对伊拉克产生了负面影响；在社会、经济和环境方面都一样。它决定了湖泊可用的数量及其默认年龄。