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KH-series satellite imagery and Landsat MSS data fusion insupport of assessing urban land use growth

机译:KH系列卫星图像和Landsat MSS数据融合评估城市土地利用增长

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Multi-temporal land use data, circa 1990 and 2000, have been analyzed an our urban growth model which identifiesthree levels of the urban extent –,the impervious surface, the urbanized area, and the urban footprint - to account for thediffering degrees of open space degradation associated with the city. The model also generates metrics such as cohesion,proximity, population densities, average openness, open space contiguity, and depth which quantify spatialcharacteristics that are indicative of urban sprawl. We plan on expanding this time-series further, and for additionalcities, with mid-decadal, gap-filled Landsat ETM data, as well as resolution-enhanced Landsat MSS data from the19070's. The cities used in this pilot project consisted of: (a) Kigali, Rwanda; (b) Portland, Oregon; (c) Tacoma,Washington; and (d) Plock, Poland. Based on research done in this project, complemented by results from other efforts,the Ehlers data fusion approach was used in the resolution enhancement of Landsat MSS imagery. In this paper, usingPortland and Kigali as the principal examples, we discuss the procedures by which (a) the KH-series declassified militaryintelligence imagery was geometrically-corrected and registered to Landsat data, (b) the Ehlers Fusion of the KH-datawith Landsat MSS, (c) the derivation of 1970's urban land use information, and (d) the calculation of select urbangrowth metrics. This paper illustrates the power of leveraging the high resolution of the military reconnaissance imagerywith the multispectral information contained in the vintage Landsat MSS data in historical land use analyses.
机译:多颞土地利用数据,大约1990年和2000年,已经分析了我们城市增长模式,即城市范围内的最高水平 - ,不透水的表面,城市化地区和城市足迹 - 考虑到光临的露天度学位与城市相关的退化。该模型还产生诸如凝聚力,接近,人口密度,平均开放性,开放空间邻接和深度的度量,这些都是量化指示城市蔓延的空间特征的深度。我们进一步扩展了这一时间序列,以及额外的差距覆盖的LANDSAT ETM数据,以及来自19070年代的分辨率增强的Landsat MSS数据。该试点项目中使用的城市包括:(a)基加利,卢旺达; (b)俄勒冈州波特兰; (c)华盛顿塔科马;和(d)Plock,波兰。基于该项目的研究,由其他努力的结果补充,eWLERS数据融合方法用于Landsat MSS Imagery的分辨率增强。在本文中,使用沃特兰和基加利作为主要例子,我们讨论了(a)kh系列解除的军事intelligence图像的程序是几何上纠正并注册到Landsat数据,(b)凯拉瓦斯·哈达斯特的ehlers融合女士,(c)1970年代的城市土地利用信息的推导,(d)选择精选城市生殖器度量。本文说明了利用历史土地使用分析中的复古Landsat MSS数据中包含的多光谱信息,利用军事侦察图像的高分辨率的力量。

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