Found 213 datasets matching "manganese/calcium".
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Observations of elevated barium-to-calcium ratio (Ba/Ca) in Globorotalia truncatulinoides have been attributed to contaminant phases, deep calcification depth and diagenetic processes. U.S....
Search relevance: 77.46 | Views last month: 1 -
These data are comprised of measurements of metals (cobalt, nickel, copper, zinc, cadmium, and lead), anions (fluoride, chloride, nitrite, bromide, nitrate, sulfate, and phosphate), dissolved...
Search relevance: 58.97 | Views last month: 0 -
These data are comprised of measurements of elements (i.e., aluminum, iron, vanadium, chromium, cobalt, nickel, copper, zinc, arsenic, selenium, cadmium, tin, antimony, barium, thallium, lead,...
Search relevance: 58.70 | Views last month: 0 -
Data from 38,105 wells were used to characterize fluoride occurrence in untreated United States groundwater. The data were retrieved from the U.S. Geological Survey (USGS) National Water...
Search relevance: 58.64 | Views last month: 4 -
Dataset that accompanies a research paper entitled, "Experimental evidence that poor soil phosphorus (P) solubility typical of drylands due to calcium co-precipitation favors autonomous plant P...
Search relevance: 56.29 | Views last month: 1 -
Five-stage sequential extractions were performed on ultramafic soil from Bosque Susua and Guanica Dry Forest, stream sediment from Rios Loco and Yauco, and nearshore sediment from Guanica Bay in...
Search relevance: 55.84 | Views last month: 0 -
Concentrations of major and trace elements as determined by chemical analysis of the less than 2-millimeter size fraction of bed-sediment and floodplain samples in the Tri-State Mining District,...
Search relevance: 48.17 | Views last month: 0 -
Sediment traps were deployed in tributaries to the San Juan River during 2021 and 2022. These traps collected sediment during storm events that typically occur as monsoonal convective storms from...
Search relevance: 44.60 | Views last month: 0 -
This dataset holds laboratory foliar chemical analyses results for field samples collected during the 2022 NASA Surface Biology Geology (SBG) High Frequency Time series (SHIFT) campaign in Santa...
Search relevance: 43.81 | Views last month: 0 -
Bighorn sheep (Ovis canadensis) were frequently photographed by wildlife cameras when they visited desert tortoise (Gopherus agassizii) burrows in the eastern San Bernardino Mountains near Palm...
Search relevance: 42.24 | Views last month: 0 -
Sediment traps were deployed in tributaries to the San Juan River during 2021 and 2022. These traps collected sediment during storm events that typically occur as monsoonal convective storms from...
Search relevance: 39.78 | Views last month: 0 -
This U.S. Geological Survey (USGS) Data Release contains locations and concentrations of metals in various size fractions in floodplain-core, streambed-sediment samples, and sediment deposited on...
Search relevance: 39.33 | Views last month: 0 -
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI...
Search relevance: 39.10 | Views last month: 0 -
Smelter slag containing copper and other trace elements is widespread in riverbed sediment of the upper Columbia River (UCR) of the United States. To evaluate potential risk to aquatic life...
Search relevance: 38.72 | Views last month: 0 -
This data-release component documents chemical analyses of soil samples collected by the U.S. Geological Survey (USGS) in Lakeport (Lake County, California) on July 12, 2022. Environmental samples...
Search relevance: 37.60 | Views last month: 1 -
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI...
Search relevance: 37.27 | Views last month: 0 -
Ponds used to capture and store water for irrigation are a common feature in agricultural landscapes of the southern Coastal Plain of Georgia, USA. However, not much is known about the...
Search relevance: 37.00 | Views last month: 13 -
Water and gas chemistry data from: Mariner, R.H., Presser, T.S. and Evans, W.C., 1982. Chemical and isotopic composition of water from thermal springs and mineral springs of Washington: U.S....
Search relevance: 36.27 | Views last month: 0 -
Water and gas chemistry data from: Mariner, R.H., Presser, T.S. and Evans, W.C., 1976. Chemical characteristics of the major thermal springs of Montana. U.S. Geological Survey Open-File Report...
Search relevance: 36.02 | Views last month: 0 -
Water and gas chemistry data from: Mariner, R.H., Presser, T.S., Evans, W.C., 1977. Chemical, Isotopic, and Gas Compositions of Selected Thermal Springs in Arizona, New Mexico, and Utah: U.S....
Search relevance: 35.50 | Views last month: 0
