Publications by authors named "Johannes van der Kwast"
Article Synopsis
- Denitrification in large tropical rivers plays a crucial role in nitrogen retention, but accurate measurements for seasonal and geomorphological comparisons are challenging.
- Researchers tested a hypothesis linking potential denitrification rates (PDR) to soil and vegetation characteristics in various geomorphic units (GUs) along a section of the Padma River in Bangladesh.
- They found significant relationships between PDR, vegetation cover, and soil moisture, using remote sensing data to model PDR across different seasons, concluding that certain GUs, particularly vegetation islands and bars, are key areas for denitrification.
Selecting a suitable model for a water quality study depends on the objectives, the characteristics of the study area, and the availability, appropriateness, and quality of data. In areas where in-stream chemical and hydrological data are limited but where estimates of nutrient loads are needed to guide management, it is necessary to apply more generalized models that make few assumptions about underlying processes. This paper presents the selection and application of a model to estimate total nitrogen (TN) and total phosphorus (TP) loads in two semiarid and adjacent catchments exposed to pollution risk in north-central Ethiopia.
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