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Alanna L. Lecher
Radium has been commonly used as a tracer of submarine groundwater discharge to the ocean and embankments, as radium activities are commonly input into box models to calculate a groundwater flux. Similarly, isotopes of radium (Ra224, Ra223, Ra226, Ra228)...
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Qibin Lao, Guoqiang Liu, Jingsong Gao, Youli Shen, Qizhong Su, Chunqing Chen and Fajin Chen
Isotope measurements were performed on dissolved nitrate (NO3-) and ammonium (NH4+) in the coastal waters of the northeastern Beibu Gulf, China, to investigate the seasonal nitrate sources and their biogeochemical processes, which are due to the rapid de...
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Yinan Mao, Qingyun Ma, Jiaxin Lin, Ye Chen and Qiang Shu
In this study, total organic carbon (TOC), total nitrogen (TN), and stable carbon isotopes (d13C) were measured in surface intertidal saltmarsh and bare tidal flat sediments along the Rudong coast. The distribution and sources of organic carbon were exam...
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Jiacheng Li, Fajin Chen, Shuwen Zhang, Chao Huang, Chunqing Chen, Fengxia Zhou, Junhui Wu, Guangzhe Jin and Qingmei Zhu
In this study, the isotopic composition (d13C and d15N), total organic carbon content, total nitrogen content, and C/N ratios of suspended particulate organic matter (POM) in Zhanjiang Bay, which is a semi-enclosed bay with concentrated artificial activi...
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Eric W. Peterson and Kelly M. Hayden
The transport and fate of nitrate (NO3-) to in the top 15 cm of a streambed has been well-documented, but an understanding of greater depths is limited. This work examines the transport and fate of nitrate (NO3-) at depths of 30 cm, 60 cm, 90 cm, and 150...
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Meng Wang, Baohong Lu, Jianqun Wang, Hanwen Zhang, Li Guo, Henry Lin
Pág. 1 - 16
A high concentration of nitrate (NO3-) in surface water threatens aquatic systems and human health. Revealing nitrate characteristics and identifying its sources are fundamental to making effective water management strategies. However, nitrate sources in...
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Meng Wang, Baohong Lu, Jianqun Wang, Hanwen Zhang, Li Guo and Henry Lin
A high concentration of nitrate (NO3-) in surface water threatens aquatic systems and human health. Revealing nitrate characteristics and identifying its sources are fundamental to making effective water management strategies. However, nitrate sources in...
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Zoran Kovac, Vedran Krevh, Lana Filipovic, Jasmina Defterdarovic, Borna-Ivan Bala? and Vilim Filipovic
This paper presents research related to the estimation of the precipitation fraction in the soil water of a sloped vineyard at the SUPREHILL Critical Zone Observatory (CZO) in Zagreb, Croatia. Numerous investigations have shown that exploration of hillsl...
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Yunhui Zhang, Mo Xu, Xiao Li, Jihong Qi, Qiang Zhang, Jian Guo, Leilei Yu and Rui Zhao
The utilization for water resource has been of great concern to human life. To assess the natural water system in Kangding County, the integrated methods of hydrochemical analysis, multivariate statistics and geochemical modelling were conducted on surfa...
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Guoyin Chen, Meixia Zhang, Xianyu Yao, Yiren Zhu, Yuanliu Hu, Dafeng Hui, Jianling Li, Jingwen Chen and Qi Deng
Mangrove afforestation is considered an important measure in the ?natural-based solution? for mitigating climate warming through sequestering massive carbon (C) into vegetation biomass, yet how the planted mangrove species facilitate soil C sequestration...
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Wen Ma, Chunxia Gao, Wei Tang, Song Qin, Jin Ma and Jing Zhao
In order to accurately explore the relationship between the density of Engraulis japonicus and environmental factors, five types of models, including Tweedie-Generalized Additive Model (GAM), two-stage GAM, Ad hoc-GAM, and Generalized Additive Mixing Mod...
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Anna Visconti, Rossana Caroni, Ruth Rawcliffe, Amedeo Fadda, Roberta Piscia and Marina Manca
Functional-based approaches are increasingly being used to define the functional diversity of aquatic ecosystems. In this study, we proposed the use of d13C and d15N stable isotopes as a proxy of zooplankton functional traits in Lake Maggiore, a large, d...
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Anna Visconti, Rossana Caroni, Ruth Rawcliffe, Amedeo Fadda, Roberta Piscia and Marina Manca
Functional-based approaches are increasingly being used to define the functional diversity of aquatic ecosystems. In this study, we proposed the use of d13C and d15N stable isotopes as a proxy of zooplankton functional traits in Lake Maggiore, a large, d...
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En Hu, Hu He, Yaling Su, Erik Jeppesen, Zhengwen Liu
Pág. 1 - 7
We applied natural abundance stable isotope d13C and radiocarbon ?14C analyses to investigate trophic linkages between zooplankton and their potential food sources (phytoplankton, submersed plants, and allochthonous organic carbon) in Lake Nam Co, one of...
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En Hu, Hu He, Yaling Su, Erik Jeppesen and Zhengwen Liu
We applied natural abundance stable isotope d13C and radiocarbon ?14C analyses to investigate trophic linkages between zooplankton and their potential food sources (phytoplankton, submersed plants, and allochthonous organic carbon) in Lake Nam Co, one of...
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Baoling Li, Xianfang Song, Lihu Yang, Dongxu Yao and Yingchun Xu
Understanding the hydrologic and hydrochemistry processes in the riparian area is of great importance for managing and protecting riparian water resources. This paper took a highly disturbed and polluted Shaying River Basin (SRB) of China as the study ar...
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Dongxing Chen, Qianqian Liu, Jiexin Xu and Kuo Wang
Particulate organic carbon (POC) plays an important role in the global carbon cycle. The POC in the Changjiang Estuary and adjacent coastal region of the East China Sea (ECS) is dominated by riverine input and marine production and is significantly influ...
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Ying Ma and Xianfang Song
Irrigation and fertilization both affect the water cycle in agricultural ecosystems. It is difficult to quantify root water uptake (RWU) which varies with crop development and seasons. In this study, a Bayesian mixing model (MixSIAR) coupling with dual s...
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Bin Yang, Zhen-Jun Kang, Dong-Liang Lu, Solomon Felix Dan, Zhi-Ming Ning, Wen-Lu Lan and Qiu-Ping Zhong
Water samples were collected to measure dissolved and particulate phosphorus species in order to examine the dynamics of phosphorus in the water column across the river?sea interface from the lower Dafengjiang River to the open Beibu Gulf. Dissolved inor...
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Yue Hu, Yuehan Lu, Chuankun Liu, Peng Shang, Jie Liu, Chunmiao Zheng
Pág. 1 - 14
The present study assessed the export of inorganic carbon, nitrogen, and phosphorus within a large agricultural basin in arid northwestern China. Groundwater of various depths and river water along a 160 km reach were sampled during contrasting flow cond...
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