![]() End users should note the product version number in the graph legend and table header, and avoid utilizing products of mixed heritage. These can vary according to the smoothing function applied and so are provided as a visualization aid only. The smoothed height variation (lower graphs) products are not available.End users must check the product summary Tables (column H) which highlight historical or current potential DEM issues for the lake/reservoir. There are cases where this DEM setting is incorrect resulting in either a) the seasonality not being captured or b) the observed seasonality being dampened. The more recent radar altimeters are using an on-board DEM to more rapidly acquire the water surface.In such cases check the specific geographical location in the text product header. It is important to consider the location of the satellite ground track AND the section of track used in complex or drought-prone regions where height variability may be location dependent.FAQ – Product Choice, Accuracy, and Datums.Lake/Reservoir Status Product Table (.csv).
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