A comprehensive approach to evaluating surface water
Research gap analysis derived from 4 earth_science papers in our local library.
The gap
There is a need for a comprehensive approach to evaluating surface water quality that considers spatial distribution and variability. Existing studies have limitations in terms of their methodology and scope.
Evidence profile
Sourced from the stated challenges and stated research gap of the source papers, classified as general, drawn from work published between 2024 and 2026, spanning 4 journals. Those papers have been cited 45 times in total.
Research trend
Established — well-defined area with open sub-problems.
Supporting evidence — 4 representative gaps
- Spatial–Temporal Distribution Characteristics of Nitrogen in the Jingjiang Reach of the Yangtze River during 1992–2015 (2026) · Water, Air, & Soil Pollution · doi
The complexity of the hydrological and water quality monitoring data. The need to quantify the nonlinear relationship between variables. The challenge of identifying the most influential factors on N concentrations.
generalstated challengesKeywords: complexity hydrological water quality monitoring data need quantify - Evaluation of surface water quality in Brahmani River Basin, Odisha (India), for drinking purposes using GIS-based WQIs, multivariate statistical techniques and semi-variogram models (2024) · Innovative Infrastructure Solutions · cited 45× · doi
There is a need for a comprehensive approach to evaluating surface water quality that considers spatial distribution and variability. Existing studies have limitations in terms of their methodology and scope.
generalstated research gapKeywords: there need comprehensive approach evaluating surface water quality - РЕЖИМ И ДИНАМИКА ИОННО-СОЛЕВОГО СОСТАВА ВОДЫ ВОДОХРАНИЛИЩА ТАСОТКЕЛЬ И ЕГО ПРИТОКОВ (2014-2023 ГГ.) (2026) · Eurasian Journal of Ecology · doi
Understanding the complex hydrochemical processes in the reservoir and its tributaries. Managing the reservoir's water quality in the face of climate change and human activities. Balancing irrigation needs with environmental concerns.
generalstated challengesevidence 5/5Keywords: understanding complex hydrochemical processes reservoir tributaries managing water - Seasonality and pollution effects on water quality based on phytoplankton and physicochemical variables in the Duhok Dam Lake (2026) · Frontiers in Water · doi
There is a gap in understanding the combined influence of hydroclimatic variability and pollution inputs on reservoir ecosystems. Prior studies have focused on individual factors influencing water quality, but have not considered the interactive effects of multiple factors.
generalstated research gapevidence 5/5Keywords: there gap understanding combined influence hydroclimatic variability pollution
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