Remote sensing assessment method and system for ecosystem vulnerability

Abstract

The invention relates to a remote sensing assessment method and system for ecosystem vulnerability. The method comprises the steps of performing ecosystem vulnerability zoning in a target area range, determining ecosystem vulnerability assessment indexes of different zones according to the zoning result, establishing a corresponding ecosystem vulnerability assessment system in each zone, determining the weights of the ecosystem vulnerability assessment indexes in the different zones by using a hierarchical analysis method, and establishing an ecosystem vulnerability remote sensing assessment model based on a comprehensive index method to assess the ecosystem vulnerability. According to the method, a reasonable ecological environment zoning scheme is formed in the target area range, and a scientific and normative ecosystem vulnerability assessment system, a weight assignment scheme and an assessment model are respectively constructed according to the ecological environment characteristics of the zones to realize intelligent remote sensing assessment of the ecosystem vulnerability, so that the assessment result is accurate and reliable and repeated operation can be implemented.

Description

technical field [0001] The invention relates to the technical field of ecological remote sensing, in particular to a remote sensing assessment method and system for ecological system vulnerability. Background technique [0002] Ecosystem is one of the most basic units constituting the terrestrial ecosphere and an important guarantee for maintaining the sustainable development of society and economy. Since the 20th century, climate warming has intensified, and the global climate and environment have undergone tremendous changes. The loss of species diversity, frequent occurrence of extreme weather events, intensified desertification, and melting of polar glaciers are all strong feedbacks on ecosystem changes. It is a serious threat to the survival of human beings and the sustainable development of social economy. However, under the double coercion of human activities and climate change, population, resource and environmental problems have increasingly become urgent problems ...

AI Technical Summary

Problems solved by technology

[0004] At present, the research on the formation mechanism of ecosystem vulnerability is still quite limited, and it is difficult to establish a quantitative mathematical relationship between the sensitivity of each ecological vulnerability issue and its influencing factors

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