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Multivariate analysis for geochemical process identification using stream sediment geochemical data: A perspective from compositional data
geochemical process identification k-means robust factor analysis Nanling belt log ratio transformation
2017/4/10
Identification of underlying geochemical processes based on samples of different types such as stream sediments,
soils, and water is important for a range of applications including mineral exploratio...
Geochemical, stable isotope, and numerical modeling studies of sake and groundwater for identification of the location of sake production: A case study from Hakusan City, Japan
sake oxygen isotope Ishikawa groundwater modeling
2017/4/11
Understanding the source and chemical characteristics of groundwater used for sake production is an important strategy
for the quality management of sake brewing. Oxygen isotope ratios (δ18O) of 96 s...
Geochemical characteristics and identification of thermogenic CBM generated during the low and middle coalification stages
woody peat thermal simulation experiment thermogenic CBM carbon and hydrogen isotopic composition Luling CBM field
2017/4/11
Six woody peat samples were heated to 150, 250, 300, 350, 370, and 400°C to determine their geochemical characteristics
and identify whether the coal bed methane (CBM) was thermogenic or secondary bi...
Preliminary Identification of Ground-water Nitrate Sources Using Nitrogen and Carbon Stable Isotopes,Kansas
Preliminary Identification Ground-water Nitrate Sources Nitrogen and Carbon Stable Isotopes
2009/10/20
Increasing nitrate-N in ground water is a problem in many areas with limited ground-water supplies, such as west-central Kansas. However, potential sources of nitrate-N are not known. Nitrate-N concen...