Spatio-temporal analysis of land use and land cover changes in a wetland ecosystem of Bangladesh using a machine-learning approach

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS

ACS Applied Bio Materials Pub Date : 2024-07-10 DOI:10.3389/frwa.2024.1394863

Abu Bokkar Siddique, Eliyas Rayhan, Faisal Sobhan, Nabanita Das, Md Azizul Fazal, Shashowti Chowdhury Riya, Subrata Sarker

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Abstract

This study investigates quantifiable and explicable changes in Land Use and Land Cover (LULC) within the context of a freshwater wetland, Hakaluki Haor, in Bangladesh. The haor is a vital RAMSAR site and Ecologically Critical Area (ECA), which needs to be monitored to investigate LULC change patterns for future management interventions. Leveraging Landsat satellite data, the Google Earth Engine Database, CART algorithm, ArcGIS 10.8 and the R programming language, this study analyses LULC dynamics from 2000 to 2023. It focuses explicitly on seasonal transitions between the rainy and dry seasons, unveiling substantial transformations in cumulative LULC change patterns over the study period. Noteworthy changes include an overall reduction (~51%) in Water Bodies. Concurrently, there is a significant increase (~353%) in Settlement areas. Moreover, vegetation substantially declines (71%), while Crop Land demonstrates varying coverage. These identified changes underscore the dynamic nature of LULC alterations and their potential implications for the environmental, hydrological, and agricultural aspects within the Hakaluki Haor region. The outcomes of this study aim to provide valuable insights to policymakers for formulating appropriate land-use strategies in the area.

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利用机器学习方法对孟加拉国湿地生态系统的土地利用和土地覆被变化进行时空分析

本研究调查了孟加拉国淡水湿地 Hakaluki Haor 中土地利用和土地覆被 (LULC) 可量化和可解释的变化。该湿地是一个重要的 RAMSAR 遗址和生态关键区 (ECA)，需要对其进行监测，以调查 LULC 的变化模式，从而为未来的管理干预提供依据。本研究利用 Landsat 卫星数据、谷歌地球引擎数据库、CART 算法、ArcGIS 10.8 和 R 编程语言，对 2000 年至 2023 年的 LULC 动态进行了分析。研究明确关注雨季和旱季之间的季节转换，揭示了研究期间土地利用、土地利用变化和土地利用变化累积模式的实质性转变。值得注意的变化包括水体的总体减少（约 51%）。与此同时，居民点面积大幅增加（约 353%）。此外，植被大幅减少（71%），而农田的覆盖率则各不相同。这些已确定的变化强调了土地利用、土地利用变化和林业变化的动态性质及其对哈卡卢基豪尔地区环境、水文和农业方面的潜在影响。本研究的成果旨在为政策制定者提供宝贵的见解，以便在该地区制定适当的土地利用战略。

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来源期刊

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464

期刊介绍： ACS Applied Bio Materials is an interdisciplinary journal publishing original research covering all aspects of biomaterials and biointerfaces including and beyond the traditional biosensing, biomedical and therapeutic applications. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important bio applications. The journal is specifically interested in work that addresses the relationship between structure and function and assesses the stability and degradation of materials under relevant environmental and biological conditions.