Evaluation of three prevalent global riverine nutrient transport models DOI

Xinyi Jiao,

Jia Zhou, Minpeng Hu

et al.

Environmental Science and Pollution Research, Journal Year: 2023, Volume and Issue: 30(58), P. 122875 - 122885

Published: Nov. 18, 2023

Language: Английский

Occurrence of Dissimilatory Nitrate Reduction to Ammonium (DNRA) in Groundwater Table Fluctuation Zones during Dissolved Organic Nitrogen Leaching through Unsaturated Zone DOI

Yujie Hao,

Tianyuan Zheng, Lecheng Liu

et al.

Journal of Hazardous Materials, Journal Year: 2025, Volume and Issue: 489, P. 137501 - 137501

Published: Feb. 6, 2025

Language: Английский

Citations

2
Water quality management could halve future water scarcity cost-effectively in the Pearl River Basin DOI Creative Commons
Safa Baccour,

Gerwin Goelema,

Taher Kahil

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: July 6, 2024

Abstract Reducing water scarcity requires both mitigation of the increasing pollution and adaptation to changing availability demand resources under global change. However, state-of-the-art modeling efforts often ignore quality associated biogeochemical processes in design reduction measures. Here, we identify cost-effective options for reducing future by accounting quantity highly stressed polluted Pearl River Basin China various socio-economic climatic change scenarios based on Shared Socio-economic Pathways (SSPs) Representative Concentration (RCPs). Our approach integrates a nutrient model (MARINA-Nutrients) with cost-optimization procedure, considering biogeochemistry human activities land spatially explicit way. Results indicate that is expected increase factor four most parts 2050 RCP8.5-SSP5 scenario. also show management could half analysis serve as an example assessment other river basins around world inform measures reduce scarcity.

Language: Английский

Citations

9
Transport Pathways of Nitrate in Stormwater Runoff Inferred from High-Frequency Sampling and Stable Water Isotopes DOI
Jian Wang, Xiaolu Li,

Yan Li

et al.

Environmental Science & Technology, Journal Year: 2024, Volume and Issue: unknown

Published: Aug. 17, 2024

Storm events can mobilize nitrogen species from landscapes into streams, exacerbating eutrophication and threatening aquatic ecosystems as well human health. However, the transport pathways storm responses of different forms remain elusive. We used high-frequency chemical isotopic sampling to partition sources stormwater runoff determine multiple in an agricultural catchment. Bayesian mixing modeling reveals shallow subsurface water dominant source runoff, contributing 74% flux 72, 71, 79% total (TN), dissolved (TDN), nitrate (NO

Language: Английский

Citations

5
Long-term water quality dynamics and influencing factors under ecological compensation mechanisms: A case study of China's first cross-provincial ecological compensation watershed DOI

Haitao Chen,

Chengcheng Wang,

Zhifeng Lv

et al.

Journal of Environmental Management, Journal Year: 2025, Volume and Issue: 380, P. 125142 - 125142

Published: March 31, 2025

Language: Английский

Citations

0
Legacy Nitrogen Impeding the Achievement of Nitrogen Management Targets: Evidence from China's First Cross-Provincial Compensation Watershed DOI Creative Commons

Haitao Chen,

Liancong Luo, Jiaxue Ren

et al.

Environmental Technology & Innovation, Journal Year: 2025, Volume and Issue: unknown, P. 104178 - 104178

Published: March 1, 2025

Language: Английский

Citations

0
Competitive Roles of DNRA and Denitrification on Organic Nitrogen Dynamics in Partially Saturated Soil‐Water Systems DOI Creative Commons
Lecheng Liu, Tianyuan Zheng, Yingying Qiu

et al.

Water Resources Research, Journal Year: 2025, Volume and Issue: 61(4)

Published: April 1, 2025

Abstract We focus on the competition between nitrate/nitrite ammonification (also termed dissimilatory nitrate reduction to ammonium (DNRA)) and denitrification processes taking place across partially saturated water‐soil systems. The study is motivated by observation that joint presence of dissolved organic nitrogen (DON) redox fluctuation in vadose zone poses potential risks for generation nitrates (NO 3 − ‐N) can then be reduced (NH 4 + through DNRA. examine dynamics induced natural soil samples subject controlled drying‐wetting cycles. Upon experimental evidences, we estimate parameters driving kinetics associated with transformation. This enables us document a DNRA during wetting periods. find increasing carbon‐to‐nitrogen (C/N) ratio system yields significant increase rates, corresponding their contribution reduction. rate documented ( ) significantly faster loam than sandy loam, due carbon release from aggregates, b more effective amino acid urea soil, role as source. Our analysis further suggests relevance hydrogeochemical factors (e.g., moisture variation, texture, C/N ratio) DON transformation influence functional microorganisms. These insights advance our understanding agroecosystems, which has implications environmental management practices aimed at controlling NO ‐N pollution soils.

Language: Английский

Citations

0
Enhanced fertilizer utilization and heavy metals immobilization by ball-milling bentonite with NH4Cl: Experiments and DFT calculations DOI
Meng Ren,

Pengjie Zhao,

Xuedan Cui

et al.

Journal of Hazardous Materials, Journal Year: 2024, Volume and Issue: 466, P. 133616 - 133616

Published: Jan. 25, 2024

Language: Английский

Citations

3
Implementing constructed wetlands for nutrient reduction at watershed scale: Opportunity to link models and real-world execution DOI Open Access
Christopher T. Nietch, Robert J. Hawley, Akmal Safwat

et al.

Journal of Soil and Water Conservation, Journal Year: 2024, Volume and Issue: 79(3), P. 113 - 131

Published: Jan. 1, 2024

The negative effects of nutrient pollution in streams, rivers, and downstream waterbodies remain widespread global problems. Understanding the cost-effectiveness different strategies for mitigating is critical to making informed decisions defining expectations that best utilize limited resources, which a research priority US Environmental Protection Agency. To this end, we modeled management practices including residue management, cover crops, filter strips, grassed waterways, constructed wetlands, reducing fertilizer upper East Fork Little Miami River, an 892 km

Language: Английский

Citations

3
Long-term water quality dynamics and trend assessment reveal the effectiveness of ecological compensation: Insights from China’s first cross-provincial compensation watershed DOI Creative Commons

Haitao Chen,

Chengcheng Wang,

Qiuru Ren

et al.

Ecological Indicators, Journal Year: 2024, Volume and Issue: 169, P. 112853 - 112853

Published: Nov. 16, 2024

Language: Английский

Citations

3
A transition zone boundary determining method based on MIKE21: A case study of Baiyangdian Lake, North China DOI
J. Yu, Dan Liu, Xuan Wang

et al.

Journal of Hydrology, Journal Year: 2024, Volume and Issue: 638, P. 131447 - 131447

Published: June 1, 2024

Language: Английский

Citations

2