Normalized Difference Water Index, 2015-2018

Johnson, Kris
2024-02-26
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https://doi.org/10.13020/mvva-x666
 https://hdl.handle.net/11299/261423
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Normalized Difference Water Index, 2015-2018

Published Date

2024-02-26

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Natural Resources Research Institute

Author Contact

Johnson, Kris
kristofj@d.umn.edu

Type

Dataset
Spatial Data

Abstract

A Normalized Difference Water Index (NDWI) is an indicator of open water on the landscape. It was developed at a 10 meter resolution using Google Earth Engine Sentinel-2 satellite imagery. For more information on the Sentinel-2 imagery: https://explorer.earthengine.google.com/#detail/COPERNICUS%2FS2 Script used to derive data: https://code.earthengine.google.com/774e4ed152e4651971dc6e9456998d17 Methods: This is a composite image where each pixel is selected based on the NDWI function (Green-NIR/Green+NIR). This composite thus represents the highest NDWI for every pixel for that location captured by Sentinel-2.

Description

This data layer is an individual GeoTIFF files with a resolution of 10 meters.

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Attribution 3.0 United States
 http://creativecommons.org/licenses/by/3.0/us/

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Data Repository for U of M (DRUM)

Funding information

Development of this data was supported by a direct appropriation from the Minnesota State Legislature to the Natural Resources Research Institute as part of the Minnesota Mining and Water Innovation Initiative.

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Johnson, Kris. (2024). Normalized Difference Water Index, 2015-2018. Retrieved from the Data Repository for the University of Minnesota (DRUM), https://doi.org/10.13020/mvva-x666.

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Description
Size
NDWI_metadata.xml
Machine-readable description of data layers (XML)
(3.83 KB)

NDWI_metadata.html
Human-readable description of data layers (HTML)
(17.17 KB)

NDWI.tif
Normalized Difference Water Index data (GeoTIFF)
(11.83 GB)

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