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Remote Sens. 2011, 3(9), 1805-1816; doi:10.3390/rs3091805

Article

Downscaling Pesticide Use Data to the Crop Field Level in California Using Landsat Satellite Imagery: Paraquat Case Study

Susan K. Maxwell

BioMedware, Inc., 3526 W. Liberty Rd., Suite 100, Ann Arbor, MI 48103, USA

Received: 8 July 2011; in revised form: 16 August 2011 / Accepted: 18 August 2011 / Published: 25 August 2011

(This article belongs to the Special Issue Remote Sensing in Public Health)

Download PDF Full-Text [407 KB, uploaded 25 August 2011 15:12 CEST]

Abstract: Exposure to pesticides has been associated with increased risk of many adverse health effects. To understand the relationships between pesticide exposure and health outcomes, epidemiologists need information on where pesticides are applied in the environment. California maintains one of the most comprehensive pesticide use reporting systems in the world, yet the data are only recorded at a coarse geographic scale of approximately 2.6 km² area. A method is presented that uses Landsat image time series to downscale California pesticide use data to the crop field-level. The approach is demonstrated using paraquat applied to vineyard and cotton fields.

Keywords: Landsat; agriculture; pesticide exposure; California; paraquat

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