6533b86efe1ef96bd12cba9f

RESEARCH PRODUCT

Radar-rain gauges intercomparison for the estimation of high resolution rainfall.

subject

description

An accurate rainfall estimation is essential for many applications like precision viticulture. Rainfall is most of the time estimated by two methods:radar and rain gauges. High resolution rain gauges network Hydravitis was installed in 2014. Data coming from radar,composite product and the network was extracted for the 2014 3 to 4 November event. Data from the network were kriged tocompare with the other products. Results show that PANTHERE radar image well reproduces the spatial variability ofrainfall but underestimates rainfall amounts over a 4 mm/h intensité. Composite product ANTILOPE gives a goodvisualization of spatial variability and intensity of rainfall. Expectations of viticulture can be therefore complete only acomposite product like ANTILOPE or the implementation of a high density rain gauges network.