Bengaluru has a unique place due to its pleasant weather and green cover. Off late, the city has witnessed phenomenal urban growth, especially during last few decades. This study was envisaged to assess the decadal changes in vegetation cover of Bengaluru using multispectral IRS satellite imagery of 2006 and 2019 within Bruhat Bengaluru Mahanagara Palike (BBMP) area. Satellite datasets were analysed to assess changes in vegetation cover during the last decade. Vegetation (tree cover) within BBMP area was estimated to be 26.1% (18,572.2 ha) in 2019 as compared to 30.1% (21,414.9 ha) in 2006, indicating an overall reduction of 4%. Overall classification accuracy was estimated to be 92.1% for 2006 and 95.9% for 2019. Based on the analysis, a vegetation change map highlighting positive change areas, negative change areas and no change areas within vegetation categories were prepared for 198 BBMP wards. A total of 730 GT sample points were also collected along with geo-tagged field photographs, which covered diverse niche areas with different vegetation components and density classes, as well as non-vegetated urban and other areas. Recommendations have been given to sustain and improve existing vegetation cover.

中文翻译：

---

使用地理空间技术评估印度班加罗尔市的植被覆盖

班加罗尔因其宜人的天气和绿色覆盖而拥有独特的地方。最近，这座城市见证了惊人的城市发展，尤其是在过去的几十年里。本研究旨在使用 2006 年和 2019 年 Bruhat Bengaluru Mahanagara Palike (BBMP) 地区的多光谱 IRS 卫星图像评估班加罗尔植被覆盖的年代际变化。分析卫星数据集以评估过去十年植被覆盖的变化。2019 年 BBMP 区域内的植被（树木覆盖）估计为 26.1%（18,572.2 公顷），而 2006 年为 30.1%（21,414.9 公顷），总体减少了 4%。2006 年的总体分类准确率估计为 92.1%，2019 年为 95.9%。 根据分析，植被变化图突出了积极变化区域，为 198 个 BBMP 病房准备了植被类别内的负变化区和无变化区。还收集了总共 730 个 GT 样本点以及带有地理标记的实地照片，这些照片涵盖了具有不同植被成分和密度等级的不同生态位区域，以及无植被的城市和其他区域。已经提出了维持和改善现有植被覆盖的建议。