scholarly journals Factors controlling temporal and spatial variations of atmospheric deposition of7Be and210Pb in northern Taiwan

2006 ◽  
Vol 111 (D16) ◽  
Author(s):  
Chih-An Huh ◽  
Chih-Chieh Su ◽  
Liang-Jian Shiau
Keyword(s):  
Atmospheric Deposition ◽  
Spatial Variations ◽  
Temporal And Spatial Variations ◽  
Temporal And Spatial ◽  
Northern Taiwan

Identification of nitrate sources in Taihu Lake and its major inflow rivers in China, using δ15N-NO3− and δ18O-NO3− values

2012 ◽  
Vol 66 (3) ◽  
pp. 536-542 ◽  
Author(s):  
Zi-Xiang Chen ◽  
Guang Liu ◽  
Wei-Guo Liu ◽  
Michael H. W. Lam ◽  
Gui-Jian Liu ◽  
...  
Keyword(s):  
Atmospheric Deposition ◽  
Water Samples ◽  
Wet Deposition ◽  
Taihu Lake ◽  
Dilution Effect ◽  
Spatial Variations ◽  
Organic N ◽  
Nitrate Sources ◽  
Temporal And Spatial Variations ◽  
Temporal And Spatial

In the present study, δ15N and δ18O-NO3− values, as well as concentrations of some major ion tracers were determined in seasonal water samples from Taihu Lake and major watersheds to investigate the temporal and spatial variations of nitrate sources and assess the underlying nitrogen (N) biogeochemistry process. The results lead to the conclusion that the nitrate concentrations in Taihu Lake are lower in summer than that in winter due to the dilution effect of wet deposition. In winter, sewage and manure were the primary nitrate sources in major inflow rivers and North Taihu Lake (NTL), while nitrate sources in East Taihu Lake (ETL) probably derived from soil organic N. In summer, atmospheric deposition and sewage/manure inputs appear to play an important role in controlling the distribution of nitrates in the whole lake. The δ18O-NO3− values suggest that the nitrate produced from microbial nitrification is another major nitrate source during both winter and summer months. The variations in isotopic values in nitrate suggest denitrification enriched the heavier isotopes of nitrate in NTL in winter and in ETL in summer.

Temporal and Spatial Variations in the Dynamics of US Metropolitan Office Markets

2019 ◽  
Author(s):  
Steven Devaney ◽  
Patric Hendershott ◽  
Angela Black ◽  
Bryan MacGregor
Keyword(s):  
Spatial Variations ◽  
Temporal And Spatial Variations ◽  
Office Markets ◽  
Temporal And Spatial

TEMPORAL AND SPATIAL VARIATIONS OF TRACE METAL LOADING TO UTAH LAKE (UT), U.S.A

2016 ◽  
Author(s):  
Hannah Peterson ◽  
◽  
Henintsoa Rakotoarisaona ◽  
Henintsoa Rakotoarisaona ◽  
Weihong Wang ◽  
...  
Keyword(s):  
Trace Metal ◽  
Spatial Variations ◽  
Temporal And Spatial Variations ◽  
Metal Loading ◽  
Temporal And Spatial ◽  
Utah Lake

Temporal and spatial variations of aerosol optical properties over the Korean peninsula during KORUS-AQ

2021 ◽  
pp. 118301
Author(s):  
Yongjoo Choi ◽  
Young Sung Ghim ◽  
Michal Segal Rozenhaimer ◽  
Jens Redemann ◽  
Samuel E. LeBlanc ◽  
...  
Keyword(s):  
Optical Properties ◽  
Korean Peninsula ◽  
Spatial Variations ◽  
Aerosol Optical Properties ◽  
Temporal And Spatial Variations ◽  
Temporal And Spatial
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