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Remote Sensing to Detect Urban Ecology, to Reveal Provisions of Urban Ecosystem Services and as Basis to Develop Nature-Based Solutions at High Spatial Resolution

A special issue of Remote Sensing (ISSN 2072-4292). This special issue belongs to the section "Urban Remote Sensing".

Deadline for manuscript submissions: closed (31 January 2022) | Viewed by 9112

Special Issue Editor


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Guest Editor
Research Group SEE-URBAN-WATER, Section of Ecological Engineering, Institute of Applied Geosciences, Technische Universität Darmstadt, Darmstadt, Germany
Interests: green infrastructure; urban ecology; ultra-high-resolution urban land use / land cover classification; urban streams

Special Issue Information

Dear Colleagues,

The ecology of urban areas is increasingly being investigated in the context of the benefits that ecological features deliver to society conceptualized as urban ecosystem services. Approaches such as green infrastructures or nature-based solutions are developed and their implementation is promoted to simultaneously solve ecological and societal problems. The basis for the spatial analysis of the ecological potential of existing urban green spaces and of those to be developed is often remotely sensed data. Because of the complex and usually detailed land cover structures in urban areas, a high spatial resolution of information is needed. For this Special Issue, we call for studies that present advances in remotely sensed detection of urban ecological features (e.g., small-scale structures, blue-green networks), innovative methodologies to reveal provisions of urban ecosystem services, as well as approaches to develop and assess nature-based solutions on the basis of remote sensing data at high spatial resolution. Not limited to, but of special interest are urban river corridors and densely urbanized areas with limited ecological functions where retrofitted and multi-functional nature-based solutions are developed and assessed.

Prof. Dr. Jochen Hack
Guest Editor

Manuscript Submission Information

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Keywords

  • Urban ecology
  • urban ecosystem services
  • nature-based solutions
  • urban green infrastructure
  • high resolution
  • multi-functionality
  • retrofitting
  • urban river corridors

Published Papers (2 papers)

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Research

23 pages, 47355 KiB  
Article
Drone-Based Community Assessment, Planning, and Disaster Risk Management for Sustainable Development
by Daniel Whitehurst, Brianna Friedman, Kevin Kochersberger, Venkat Sridhar and James Weeks
Remote Sens. 2021, 13(9), 1739; https://doi.org/10.3390/rs13091739 - 30 Apr 2021
Cited by 9 | Viewed by 3997
Abstract
Accessible, low-cost technologies and tools are needed in the developing world to support community planning, disaster risk assessment, and land tenure. Enterprise-scale geographic information system (GIS) software and high-resolution aerial or satellite imagery are tools which are typically not available to or affordable [...] Read more.
Accessible, low-cost technologies and tools are needed in the developing world to support community planning, disaster risk assessment, and land tenure. Enterprise-scale geographic information system (GIS) software and high-resolution aerial or satellite imagery are tools which are typically not available to or affordable for resource-limited communities. In this paper, we present a concept of aerial data collection, 3D cadastre modeling, and disaster risk assessment using low-cost drones and adapted open-source software. Computer vision/machine learning methods are used to create a classified 3D cadastre that contextualizes and quantifies potential natural disaster risk to existing or planned infrastructure. Building type and integrity are determined from aerial imagery. Potential flood damage risk to a building is evaluated as a function of three mechanisms: undermining (erosion) of the foundation, hydraulic pressure damage, and building collapse due to water load. Use of Soil and Water Assessment Tool (SWAT) provides water runoff estimates that are improved using classified land features (urban ecology, erosion marks) to improve flow direction estimates. A convolutional neural network (CNN) is trained to find these flood-induced erosion marks from high-resolution drone imagery. A flood damage potential metric scaled by property value estimates results in individual and community property risk assessments. Full article
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24 pages, 39253 KiB  
Article
Estimation of Urban Ecosystem Services Value: A Case Study of Chengdu, Southwestern China
by Xiaoai Dai, Brian Alan Johnson, Penglan Luo, Kai Yang, Linxin Dong, Qiang Wang, Chao Liu, Naiwen Li, Heng Lu, Lei Ma, Zhengli Yang and Yuanzhi Yao
Remote Sens. 2021, 13(2), 207; https://doi.org/10.3390/rs13020207 - 08 Jan 2021
Cited by 32 | Viewed by 4269
Abstract
Research on the service values of urban ecosystems is a hot topic of ecological studies in the current era of rapid urbanization. To quantitatively estimate the ecosystem service value in Chengdu, China from the perspectives of natural ecology and social ecology, the technologies [...] Read more.
Research on the service values of urban ecosystems is a hot topic of ecological studies in the current era of rapid urbanization. To quantitatively estimate the ecosystem service value in Chengdu, China from the perspectives of natural ecology and social ecology, the technologies of remote sensing (RS) and geographic information system (GIS) are utilized in this study to extract the land use type information from RS images of Chengdu in 2003, 2007, 2013 and 2018. Subsequently, a driver analysis of the ecosystem services of Chengdu was performed based on socioeconomic data from the last 16 years. The results indicated that: (1) from 2003 to 2018, the land utilization in Chengdu changed significantly, with the area of cultivated lands, forest lands and water decreasing remarkably, while the area of construction lands dramatically increased. (2) The ecosystem services value (ESV) of Chengdu decreased by 30.92% in the last 16 years, from CNY 2.4078 × 1010 in 2003 to CNY 1.6632 × 1010 in 2018. Based on a future simulation, the ESV is further predicted to be reduced to CNY 1.4261 × 1010 by 2033. (3) The ESV of Chengdu showed a negative correlation with the total population, the urbanization rate and the per capita GDP of the region, indicating that the ESV of the studied region was inter-coupled with the socioeconomic development and can be maintained at a high level through rationally regulating the socioeconomic structure. Full article
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