当前位置: X-MOL 学术Prog. Phys. Geogr. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
More accurate less meaningful? A critical physical geographer’s reflection on interpreting remote sensing land-use analyses
Progress in Physical Geography: Earth and Environment ( IF 3.9 ) Pub Date : 2021-02-18 , DOI: 10.1177/0309133321991814
Andreas Christian Braun 1
Affiliation  

Land-use and land-cover analyses based on satellite image classification are used in most, if not all, sub-disciplines of physical geography. Data availability and increasingly simple image classification techniques – nowadays, even implemented in simple geographic information systems – increase the use of such analyses. To assess the quality of such land-use analyses, accuracy metrics are applied. The results are considered to have sufficient quality, exceeding thresholds published in the literature. A typical practice in many studies is to confuse accuracy in remote sensing with quality, as required by physical geography. However, notions such as quality are subject to normative considerations and performative practices, which differ between scientific domains. Recent calls for critical physical geography have stressed that scientific results cannot be understood separately from the values and practices underlying them. This article critically discusses the specific understanding of quality in remote sensing, outlining norms and practices shaping it and their relation to physical geography. It points out that, as a seeming paradox, results considered more accurate in remote sensing terms can be less informative – or meaningful – in geographical terms. Finally, a roadmap of how to apply remote sensing land-use analyses more constructively in physical geography is proposed.



中文翻译:

更准确,更有意义?一位重要的自然地理学家对遥感土地利用分析的理解

大多数(如果不是全部)自然地理子学科都使用基于卫星图像分类的土地利用和土地覆盖率分析。如今,即使是在简单的地理信息系统中实施的数据可用性和日益简化的图像分类技术也增加了此类分析的使用。为了评估此类土地利用分析的质量,应用了准确性指标。结果被认为具有足够的质量,超过了文献中公布的阈值。许多研究的典型做法是按照自然地理的要求将遥感的准确性与质量混淆。但是,诸如质量之类的概念要经过规范性考量和性能实践,这在科学领域之间是不同的。最近对关键自然地理的呼吁强调,不能将科学结果与其基础的价值和实践分开理解。本文批判性地讨论了对遥感质量的特定理解,概述了影响遥感质量的规范和实践及其与自然地理的关系。它指出,作为一种看似矛盾的论点,在遥感方面被认为更准确的结果在地理方面可能没有那么多信息或意义。最后,提出了如何在自然地理学中更建设性地应用遥感土地利用分析的路线图。概述了塑造它的规范和实践及其与自然地理的关系。它指出,作为一种看似矛盾的论点,在遥感方面被认为更准确的结果在地理方面可能没有那么多信息或意义。最后,提出了如何在自然地理学中更建设性地应用遥感土地利用分析的路线图。概述了形成该规范的规范和实践及其与自然地理的关系。它指出,作为一种看似矛盾的论点,在遥感方面被认为更准确的结果在地理方面可能没有那么多信息或意义。最后,提出了如何在自然地理学中更建设性地应用遥感土地利用分析的路线图。

更新日期:2021-02-18
down
wechat
bug