Water and Associated Surface Land Processes across Changing Landscapes

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water, Agriculture and Aquaculture".

Deadline for manuscript submissions: closed (20 August 2023) | Viewed by 3645

Special Issue Editors

School of Geographical Sciences, Southwest University, Chongqing 400715, China
Interests: remote sensing; carbon cycle; climate change; land surface process simulation; water use efficiency; karst water resource
Special Issues, Collections and Topics in MDPI journals
School of Geographical Sciences, Southwest University, Chongqing, China
Interests: hydrology; soil water erosion; ecological restoration
School of Geographical Sciences, Southwest University, Chongqing, China
Interests: satellite remote sensing; terrestrial carbon and water cycles; water use efficiency; climate-vegetation interactions

Special Issue Information

Dear Colleagues,

Climate change and human activities in the Anthropocene have significantly altered terrestrial hydrological cycling and water-associated mass transfer routines, leading to a wide range of environmental and ecosystem changes. Understanding how natural and anthropogenic forces have been operating on water and associated surface land processes across hotspot changing landscapes, as well as their potential environmental and ecosystem implications, are critical in expanding our current knoelwdge and informing sustainable management practices.

The objective of this Special Issue is to provide the reader with the recent advances in understanding water and associated surface land processes across changing landscapes, using a wide variety of observation techniques. Research papers related to, but are not limited to, hydrological cycle in complex geographical context (e.g., the Karst area, mountain area), its responses to various driving forces and implications for ecosystem restoration practices, as well as water-related mass transport dynamics are expected.

Hydrological deviations have considerably exerted off-site consequences on fluvial geomorphological, environmental, and ecological processes, thus determining channel connectivity, geomorphological evolution, freshwater quality, and aquatic ecosystem health. Contributions dealing with the fluvial responses to changes in the extent and intensity of terrestrial mass dynamics will be also preferred for publication.

Prof. Dr. Mingguo Ma
Prof. Dr. Qiang Tang
Prof. Dr. Xuguang Tang
Guest Editors

Manuscript Submission Information

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Keywords

  • land surface water
  • ET
  • hydrological modeling
  • soil water flow
  • land‐surface processes
  • mass transport
  • ecosystem restoration practices
  • carbon-water coupling

Published Papers (2 papers)

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Research

19 pages, 11019 KiB  
Article
Evaluating Effects of Terraces on Flow Regimes in a Hilly and Mountainous Basin
by Feng Zhou, Wanshun Zhang, Xin Liu, Anna Jiang, Gang Chen, Ao Li and Hong Peng
Water 2023, 15(22), 3980; https://0-doi-org.brum.beds.ac.uk/10.3390/w15223980 - 16 Nov 2023
Cited by 1 | Viewed by 711
Abstract
Terraces play a crucial role in regulating the water cycle. The management and restoration of, and the conservation strategies and plans for basins rely heavily on the assessment of alterations in hydrological characteristics, whether natural or man-made, within these basin systems. This study [...] Read more.
Terraces play a crucial role in regulating the water cycle. The management and restoration of, and the conservation strategies and plans for basins rely heavily on the assessment of alterations in hydrological characteristics, whether natural or man-made, within these basin systems. This study centers on evaluating the impact of terraces on temporal variations in the hydrological regime within the Laixi River basin, within the context of climate variability. To achieve this, we employed a hydrological model and applied the Indicators of Hydrologic Alteration and Range of Variability Approach (IHA–RVA). The results show that, under the influence of terraces, the annual flow exhibited an overall decreasing trend. There was a noticeable decrease in streamflow from March to July, while from October to December, there was a clear upward trend, with increases ranging from 4.76% to 8.10% at the Guanshenxindi (GSXD) and Watershed outlet (WO) cross-sections. The indicators related to the minimum flow showed an overall increasing trend, whereas all indicators related to the maximum flow exhibited a clear decreasing trend. Both high and low flow pulse counts decreased, while high and low pulse durations increased overall. The overall trend of flow reversal counts also showed a decrease. All hydrological indicators exhibited low levels of alteration, with hydrologic alteration values lower than 33.33%. However, the influence of terraces on the upstream hydrological conditions was more pronounced than their downstream effect. The terraces in the study area have played a beneficial role in the flood regulation, drought mitigation, and water resource conservation of the Laixi River. They have contributed to stabilizing the daily average flow during high flow periods and have had a positive impact on the ecological base flow during low flow periods, thereby improving the aquatic ecological environment. This study provides theoretical support for river regulation within the framework of soil and water conservation measures. Full article
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11 pages, 3024 KiB  
Article
Combined Effects of Hillslope-Concentrated Flows and Riverine Stream Waves on Soil Erosion in the Reservoir Riparian Zone
by Yuhai Bao, Yantong Yu, Qiang Tang, Xiubin He, Jie Wei, Yunhua Hu and Jinlin Li
Water 2021, 13(23), 3465; https://0-doi-org.brum.beds.ac.uk/10.3390/w13233465 - 06 Dec 2021
Cited by 4 | Viewed by 2048
Abstract
During the exposed season, the water level fluctuation zone of the Three Gorges Reservoir has suffered from hillslope-concentrated flows and riverine stream waves, which considerably complicates the processes and magnifies the rate of bank erosion. This study depicts the forms and patterns of [...] Read more.
During the exposed season, the water level fluctuation zone of the Three Gorges Reservoir has suffered from hillslope-concentrated flows and riverine stream waves, which considerably complicates the processes and magnifies the rate of bank erosion. This study depicts the forms and patterns of integrated bank erosion in this reservoir marginal landscape, decouples the evolutionary processes involved, explores the underlying mechanisms, and quantifies the magnitude through a case study on a fine-grained sandy bank. Hillslope-concentrated flows over rainfall storm events developed continuous gullies starting from uplands and extending throughout the entire slope of the reservoir bank, characterized by relatively larger depths and widths compared with discontinuous gullies on the lower slope developed by riverine stream waves. Full article
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