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Image compression is part of digital image processing that use different operation for reduction of image size. Image compression is done by using different compressing approaches that are lossless and lossy compression. In this paper lossless compression approach has been used to get higher compression ratio. In this paper a new approach has been purposed that is used for image compression on the...
It is critical that stakeholders are aware of the lag time necessary for conservation practices to demonstrate a positive impact on surface water quality. For solutes like nitrate that are transported primarily by the groundwater pathway, the lag time is a function of the groundwater travel time distribution (TTD). We used three models of varying levels of complexity to estimate the steady-state TTD...
Pollutant delivery through artificial subsurface drainage networks to streams is an important transport mechanism, yet the impact of drainage tiles on groundwater hydrology at the watershed scale has not been well documented. In this study, we developed a two‐dimensional, steady‐state groundwater flow model for a representative Iowa agricultural watershed to simulate the impact of tile drainage density...
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