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Remote Sens. 2014, 6(10), 9511-9529; doi:10.3390/rs6109511

Tracking Electrification in Vietnam Using Nighttime Lights

1
Department of Political Science, University of Michigan, 505 S. State St. Ann Arbor, MI 48109, USA
2
World Bank, 1818 H Street, NW, Washington, DC 20433, USA
*
Author to whom correspondence should be addressed.
Received: 30 June 2014 / Revised: 17 September 2014 / Accepted: 24 September 2014 / Published: 9 October 2014
(This article belongs to the Special Issue Remote Sensing with Nighttime Lights)
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Abstract

We report on a systematic ground-based validation of DMSP-OLS night lights imagery to detect rural electrification in Vietnam. Based on an original survey of village-level units in Vietnam, this study compares nighttime light output from the U.S. Air Force Defense Meteorological Satellite Program’s Operational Linescan System (DMSP-OLS) against ground-based survey data on electrical infrastructure and electricity use in 200 electrified villages. Monthly and annual composites record a one-point increase in brightness along DMSP-OLS’s 63-point brightness scale for every 60–70 additional streetlights or 240–270 electrified homes. Using a time series of 90 nightly images, the data show a one-point increase in brightness for every 125–200 additional streetlights, or 550–700 additional electrified homes. The results highlight the potential to use night lights imagery to support efforts to connect the 1.2 billion people who lack electricity around the world. View Full-Text
Keywords: night lights; electricity; Vietnam; ground-truth night lights; electricity; Vietnam; ground-truth
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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).

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Min, B.; Gaba, K.M. Tracking Electrification in Vietnam Using Nighttime Lights. Remote Sens. 2014, 6, 9511-9529.

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