The paper assesses trends in use of earth observation data in wetland conditions monitoring and assessment in Zimbabwe from 1980 to 2019. Reviewed literature shows academia and research institutions (69.8%), government agencies (14%) and international development partners (16.3%) as the main users of remotely sensed data in wetland ecological assessments and monitoring. There is more reliance by the abovementioned stakeholders on freely available low-cost resolution imagery from Landsat (62.9%) and Moderate Resolution Imaging Spectroradiometer (14.3%). Other stakeholders, however, are reliant on high-resolution imagery like Rapid Eye (5.7%) and aerial photography (11.4%). Satellite images in wetland management in Zimbabwe are used for land use land cover change detection (42.1%), vegetation health monitoring (21.1%), water quantity monitoring (5.3%), water quality monitoring (13.2%) and wetland mapping (18.4%). The identified challenges faced by different stakeholders to effectively utilise EO data include high cost of high-resolution imageries, limited expertise, inadequate equipment and software. Since the cost of high-resolution satellite imagery mainly constraints the acquisition of suitable satellite data to assess the small wetlands that dominate Zimbabwe's landscape, there is need to promote use of recently launched freely available high-resolution Sentinel data to improve the ecological assessment of wetland conditions.

中文翻译：

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津巴布韦湿地评估和监测中遥感数据的使用趋势

该论文评估了 1980 年至 2019 年津巴布韦在湿地状况监测和评估中使用地球观测数据的趋势。 审查文献显示，学术和研究机构 (69.8%)、政府机构 (14%) 和国际发展伙伴 (16.3%) 作为湿地生态评价与监测中遥感数据的主要用户。上述利益相关者更多地依赖来自 Landsat (62.9%) 和中分辨率成像光谱仪 (14.3%) 的免费低成本分辨率图像。然而，其他利益相关者依赖于高分辨率图像，如 Rapid Eye (5.7%) 和航空摄影 (11.4%)。津巴布韦湿地管理卫星图像用于土地利用土地覆盖变化检测（42.1%）、植被健康监测（21.1%）、水量监测（5. 3%）、水质监测（13.2%）和湿地测绘（18.4%）。不同利益相关者在有效利用 EO 数据方面面临的已确定挑战包括高分辨率图像的高成本、有限的专业知识、设备和软件不足。由于高分辨率卫星图像的成本主要限制了获取合适的卫星数据来评估主导津巴布韦景观的小湿地，因此需要推广使用最近发射的免费提供的高分辨率 Sentinel 数据来改进湿地的生态评估状况。