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Multispectral contrast of archaeological features : a quantitative evaluation.

Kalayci, T. and Lasaponara, R. and Wainwright, J. and Masini, N. (2019) 'Multispectral contrast of archaeological features : a quantitative evaluation.', Remote Sensing, 11 (9). p. 913.

Abstract

This study provides an evaluation of spectral responses of hollow ways in Upper Mesopotamia. Hollow ways were used for the transportation of animals, carts, and other moving agents for centuries. The aim is to show how the success of spectral indices varies in describing topologically simple features even in a seemingly homogeneous geographic unit. The variation is further highlighted under the changing precipitation regime. The methodology begins with an exploration of the relationship between the date of a multispectral scene and the visibility of hollow ways. The next step is to evaluate the impact of rainfall levels on numerous indices and to quantify spectral contrast. The contrast between a hollow way and its background is evaluated with Welch’s t-test and the association between precipitation regime and spectral responses of hollow ways are investigated with Correspondence Analysis and Fisher’s test. Results highlight an intrinsic relationship between the precipitation regime and the ways in which archaeological features reflects and/or emits electromagnetic energy. Next, the categorization of spectral indices based on dierent rainfall levels can be used as a guidance in future studies. Finally, the study suggests contrast becomes an even more fruitful concept as one moves from the spatial domain to the spectral domain.

Item Type:Article
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.3390/rs11080913
Publisher statement:This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
Date accepted:08 April 2019
Date deposited:23 April 2019
Date of first online publication:15 April 2019
Date first made open access:No date available

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