Quantifying ecosystem services from trees by using i-tree with low-resolution satellite images

IF 6.1 2区 环境科学与生态学 Q1 ECOLOGY
Reena Sharma , Bhavik R. Bakshi , Manojkumar Ramteke , Hariprasad Kodamana
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引用次数: 0

Abstract

Air pollution on a worldwide scale poses significant risks to our health and food security. Trees, as ecosystem units, play a huge role in mitigating air pollution but quantifying this ecosystem service in the most polluted regions of the world is difficult due to a lack of relevant data. The ability of trees to mitigate air emissions is evaluated by the i-Tree Eco tool, which uses the tree inventory data based on high-resolution data such as LiDAR, which is predominantly available for the countries in the global north. In contrast, for most countries in the global south, collating such information is difficult and, therefore, obtaining the tree inventory and usage of i-Tree Eco is challenging. To circumvent these lacunae, in this study, we propose a method hinging on remote sensing based on readily available Landsat satellite images. We validate our approach on Balboa Park, San Diego, California, for which both LiDAR and Landsat data are available, and showcase its applicability to the South Delhi and Chennai city regions of India, where LiDAR data are not available.

利用 i-tree 和低分辨率卫星图像量化树木提供的生态系统服务
全球范围内的空气污染对我们的健康和食品安全构成了重大威胁。树木作为生态系统单位,在缓解空气污染方面发挥着巨大作用,但由于缺乏相关数据,在全球污染最严重的地区量化这种生态系统服务十分困难。i-Tree Eco 工具使用基于高分辨率数据(如激光雷达)的树木清单数据来评估树木减缓空气污染排放的能力。相比之下,对于全球南部的大多数国家来说,整理此类信息十分困难,因此,获取树木清单和使用 i-Tree Eco 具有挑战性。为了弥补这些缺陷,我们在本研究中提出了一种基于现成大地遥感卫星图像的遥感方法。我们在加利福尼亚州圣地亚哥巴尔博亚公园验证了我们的方法,该公园同时拥有激光雷达和大地遥感卫星数据,我们还展示了该方法在印度南德里和钦奈城市地区的适用性,这些地区没有激光雷达数据。
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来源期刊
Ecosystem Services
Ecosystem Services ECOLOGYENVIRONMENTAL SCIENCES&-ENVIRONMENTAL SCIENCES
CiteScore
14.90
自引率
7.90%
发文量
109
期刊介绍: Ecosystem Services is an international, interdisciplinary journal that is associated with the Ecosystem Services Partnership (ESP). The journal is dedicated to exploring the science, policy, and practice related to ecosystem services, which are the various ways in which ecosystems contribute to human well-being, both directly and indirectly. Ecosystem Services contributes to the broader goal of ensuring that the benefits of ecosystems are recognized, valued, and sustainably managed for the well-being of current and future generations. The journal serves as a platform for scholars, practitioners, policymakers, and other stakeholders to share their findings and insights, fostering collaboration and innovation in the field of ecosystem services.
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