Results 1 to 10 of about 15,051,160 (301)

Understanding the water quality change of the Yilong Lake based on comprehensive assessment methods

Ecological Indicators, 2021
To understand the water quality changes of the Yilong Lake and reveal the driving factors of water quality changes in different periods, in this study, based on 13 water quality parameters, the water quality of Yilong Lake from 2008 to 2018 was ...
Tao Wu, Shengrui Wang, Baolin Su, Huaxin Wu, Guoqiang Wang   +4 more
doaj   +3 more sources

Predicting Cyanobacterial Blooms Using Hyperspectral Images in a Regulated River

Sensors, 2021
Process-based modeling for predicting harmful cyanobacteria is affected by a variety of factors, including the initial conditions, boundary conditions (tributary inflows and atmosphere), and mechanisms related to cyanobacteria growth and death. While the
Jung Min Ahn, Byungik Kim, Jaehun Jong, Gibeom Nam, Lan Joo Park, Sanghyun Park, Taegu Kang, Jae-Kwan Lee, Jungwook Kim   +8 more
doaj   +1 more source

Watershed environmental impact assessment for extreme climates based on shared socioeconomic pathway climate change scenarios

Ecological Indicators, 2023
Abnormal climate phenomena that exceed conventional weather observations occur worldwide, such as severe floods, droughts, and environmental issues, and have attracted increasing attention.
Jung Min Ahn, Jungwook Kim, Hongtae Kim, Kyunghyun Kim   +3 more
doaj   +1 more source

Ensemble Machine Learning of Gradient Boosting (XGBoost, LightGBM, CatBoost) and Attention-Based CNN-LSTM for Harmful Algal Blooms Forecasting

Toxins, 2023
Harmful algal blooms (HABs) are a serious threat to ecosystems and human health. The accurate prediction of HABs is crucial for their proactive preparation and management. While mechanism-based numerical modeling, such as the Environmental Fluid Dynamics
Jung Min Ahn, Jungwook Kim, Kyunghyun Kim   +2 more
doaj   +1 more source

Differential characteristics and source contribution of water pollutants before and after the extreme rainfall event in the Huaihe River Basin

Frontiers in Environmental Science, 2022
Various pollutants are collected into rivers through runoff when rainstorms occur, which can harm the aquatic ecological environment, therefore, strengthening the analysis of river pollution sources before and after rainstorms can reduce the impact of ...
Yan Zhang, Yan Zhang, Yan Zhang, Lei Zou, Ping Li, Ping Li, Zhenjie Du, Ming Dou, Ming Dou, Zhongdong Huang, Zhijie Liang, Xuebin Qi, Xuebin Qi   +12 more
doaj   +1 more source

Fluorescence Detection Characteristic of Heavy-metal Chromium Ions in Water by Photoluminescent Tungsten-oxide Cluster Material

Shipin gongye ke-ji, 2022
In this work, using Eu3+ embedded tungsten-oxygen cluster (compound 1) as the fluorescent probe material, the rapid and sensitive fluorescence detection of heavy metal Cr3+ ions in aqueous solution by compound 1 has been systematically studied.
Zhenwei WANG, Xiliang CHEN, Xiaobing HU, Changyuan LU   +3 more
doaj   +1 more source

Antecedent flow conditions and nitrate concentrations in the Mississippi River basin [PDF]

Hydrology and Earth System Sciences, 2014
The relationship between antecedent flow conditions and nitrate concentrations was explored at eight sites in the 2.9 million square kilometers (km2) Mississippi River basin, USA.
J. C. Murphy, R. M. Hirsch, L. A. Sprague   +2 more
doaj   +1 more source

Environmental reforms in sugar industries of India: An appraisal

Environmental Challenges, 2021
Sugar industry in India has imparted significant contribution in the growth of agriculture and socio-economic status of the country. However, continuation of conventional practices owing to lack of awareness for environmentally sustainable technologies ...
Prabhat Ranjan, Surya Singh, Abdul Muteen, Mrinal Kanti Biswas, Ajit Kumar Vidyarthi   +4 more
doaj   +1 more source

Screening and prioritization of nano- and microplastic particle toxicity studies for evaluating human health risks – development and application of a toxicity study assessment tool

Microplastics and Nanoplastics, 2022
Concern regarding the human health implications that exposure to nano- and microplastic particles (NMPs) potentially represents is increasing. While there have been several years of research reporting on the ecotoxicological effects of NMPs, human health
Todd Gouin, Robert Ellis-Hutchings, Leah M. Thornton Hampton, Christine L. Lemieux, Stephanie L. Wright   +4 more
doaj   +1 more source

Different responses of abundant and rare bacterial composition to groundwater depth and reduced nitrogen application in summer maize field

Frontiers in Microbiology, 2023
IntroductionIt is well known that reduced nitrogen application and groundwater depth can change soil microbial communities, but the associated difference in the response of abundant and rare bacterial composition to these local environmental changes ...
Fangfang Bai, Wei Guo, Wei Guo, Ping Li, Ping Li, Dongmei Qiao, Zhenjie Du, Zhenjie Du, Xuebin Qi, Xuebin Qi   +9 more
doaj   +1 more source