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NARROW
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
East Africa
-
Ethiopia (1)
-
Kenya (1)
-
-
Nile Valley (1)
-
North Africa
-
Algeria (1)
-
Egypt
-
Bahariya Oasis (1)
-
-
Tunisia (3)
-
-
Southern Africa
-
Namibia (1)
-
-
West Africa
-
Ghana (1)
-
-
-
Asia
-
Far East
-
China
-
Hunan China (1)
-
Inner Mongolia China (1)
-
-
Indonesia
-
Sumatra (1)
-
-
Japan
-
Honshu
-
Niigata Japan
-
Shinano River (1)
-
-
-
-
Korea
-
South Korea
-
Seoul South Korea (1)
-
-
-
Philippine Islands (1)
-
Thailand (1)
-
-
Indian Peninsula
-
Afghanistan
-
Ghazni Afghanistan (1)
-
-
Bangladesh (1)
-
India
-
Delhi India (1)
-
Karnataka India
-
Bangalore India (1)
-
-
Krishna River (1)
-
Laccadive Islands (1)
-
Yamuna River (1)
-
-
Pakistan
-
Punjab Pakistan
-
Mansehra Pakistan (2)
-
-
-
-
Middle East
-
Cyprus (2)
-
Israel
-
Galilee (1)
-
-
Turkey (1)
-
-
Southeast Asia (1)
-
-
Australasia
-
Australia
-
South Australia (1)
-
-
New Zealand
-
Canterbury New Zealand
-
Canterbury Plains (1)
-
Christchurch New Zealand (1)
-
-
-
-
Bow River valley (1)
-
Canada
-
Western Canada
-
Alberta
-
Calgary Alberta (1)
-
-
-
-
Caribbean region
-
West Indies
-
Antilles
-
Greater Antilles
-
Cuba (1)
-
-
-
-
-
Central America
-
Guatemala (1)
-
Nicaragua (1)
-
-
Chalk Aquifer (2)
-
Colorado River basin (1)
-
developing countries (4)
-
Europe
-
Central Europe
-
Austria (1)
-
-
Southern Europe
-
Iberian Peninsula
-
Iberian pyrite belt (2)
-
Portugal (1)
-
Spain
-
Andalusia Spain
-
Almeria Spain (1)
-
Huelva Spain (1)
-
-
-
-
Italy
-
Sicily Italy (1)
-
-
Romania
-
Transylvania
-
Cluj Romania (1)
-
-
-
Serbia (1)
-
-
Western Europe
-
United Kingdom
-
Great Britain
-
England
-
Durham England (1)
-
Hampshire England (1)
-
London England (1)
-
Yorkshire England
-
Sheffield England (1)
-
-
-
Wales
-
South Wales (1)
-
South Wales coal field (1)
-
-
-
-
-
-
Indian Ocean Islands (1)
-
Mill Creek (1)
-
North America
-
Appalachians
-
Appalachian Plateau (2)
-
Piedmont (2)
-
-
Gulf Coastal Plain (1)
-
-
Oceania
-
Micronesia
-
Mariana Islands
-
Guam (1)
-
-
-
-
Sierra Nevada (1)
-
South America
-
Chile
-
Santiago Chile (1)
-
Valparaiso Chile (1)
-
-
Peru
-
Arequipa Peru (1)
-
-
-
South Island (1)
-
United States
-
Arizona
-
Mohave County Arizona (1)
-
-
Atlantic Coastal Plain (2)
-
California
-
Amador County California (1)
-
Kern County California (1)
-
Los Angeles County California
-
Los Angeles California (1)
-
-
Marin County California (1)
-
Nevada County California (1)
-
San Fernando Valley (1)
-
San Francisco County California
-
San Francisco California (1)
-
-
San Joaquin Valley (1)
-
Santa Clara County California
-
Santa Clara California (1)
-
-
Southern California (1)
-
Ventura County California
-
Simi Valley California (1)
-
-
-
Florida
-
Hillsborough County Florida (1)
-
-
Floridan Aquifer (1)
-
Georgia
-
Spalding County Georgia (2)
-
-
Illinois
-
Cook County Illinois
-
Chicago Illinois (1)
-
-
McLean County Illinois (1)
-
-
Illinois Basin (1)
-
Indiana
-
Greene County Indiana (1)
-
Lawrence County Indiana (1)
-
Orange County Indiana (1)
-
Sullivan County Indiana (1)
-
-
Kentucky
-
McCreary County Kentucky (1)
-
-
Minnesota
-
Beltrami County Minnesota
-
Bemidji Minnesota (1)
-
-
-
Montana
-
Powell County Montana (1)
-
-
New Mexico
-
Socorro County New Mexico (1)
-
-
North Carolina (1)
-
Pennsylvania
-
Clearfield County Pennsylvania (1)
-
Jefferson County Pennsylvania (2)
-
-
Rhode Island
-
Providence County Rhode Island (1)
-
-
South Carolina
-
Savannah River Site (6)
-
-
Tennessee
-
Hamilton County Tennessee (1)
-
Sequatchie County Tennessee (1)
-
-
-
-
commodities
-
aggregate (1)
-
bentonite deposits (2)
-
brines (1)
-
ceramic materials (2)
-
coal deposits (1)
-
construction materials (2)
-
energy sources (1)
-
industrial minerals (6)
-
metal ores
-
copper ores (1)
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gold ores (1)
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manganese ores (1)
-
-
mineral deposits, genesis (1)
-
oil and gas fields (1)
-
petroleum
-
natural gas
-
coalbed methane (1)
-
shale gas (2)
-
-
shale oil (1)
-
-
water resources (14)
-
zeolite deposits (1)
-
-
elements, isotopes
-
carbon
-
C-14 (1)
-
organic carbon (5)
-
-
halogens
-
chlorine
-
chloride ion (9)
-
-
fluorine
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fluoride ion (1)
-
-
-
hydrogen
-
tritium (1)
-
-
isotope ratios (1)
-
isotopes
-
radioactive isotopes
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C-14 (1)
-
tritium (1)
-
-
stable isotopes
-
N-15/N-14 (1)
-
-
-
metals
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alkali metals
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sodium (3)
-
-
alkaline earth metals
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magnesium (1)
-
-
aluminum (1)
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arsenic (9)
-
cadmium (5)
-
chromium (4)
-
cobalt (1)
-
copper (8)
-
iron
-
ferric iron (5)
-
ferrous iron (2)
-
-
lead (12)
-
manganese (2)
-
mercury (3)
-
nickel (3)
-
rare earths
-
lanthanum (1)
-
-
silver (1)
-
titanium (1)
-
zinc (2)
-
-
nitrogen
-
N-15/N-14 (1)
-
organic nitrogen (1)
-
-
oxygen
-
dissolved oxygen (5)
-
-
phosphorus (2)
-
selenium (3)
-
sulfur (2)
-
trace metals (1)
-
-
fossils
-
bacteria
-
coliform bacteria
-
Escherichia
-
Escherichia coli (1)
-
-
-
Geobacter (1)
-
-
Plantae
-
Spermatophyta
-
Gymnospermae
-
Coniferales
-
Pinaceae
-
Pinus (1)
-
-
-
-
-
-
-
geologic age
-
Cenozoic
-
Tertiary
-
Paleogene
-
Eocene
-
lower Eocene
-
Ypresian
-
London Clay (1)
-
-
-
-
-
-
-
Coal Measures (1)
-
Mesozoic
-
Cretaceous
-
Upper Cretaceous (1)
-
-
-
Paleozoic
-
Carboniferous
-
Mississippian (1)
-
-
-
-
igneous rocks
-
igneous rocks
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plutonic rocks
-
granites (1)
-
ultramafics (1)
-
-
volcanic rocks
-
glasses
-
perlite (1)
-
-
pyroclastics
-
tuff (1)
-
-
-
-
-
metamorphic rocks
-
metamorphic rocks
-
gneisses (1)
-
-
-
minerals
-
arsenates (2)
-
carbonates
-
hydromagnesite (1)
-
hydrotalcite (1)
-
malachite (1)
-
nesquehonite (1)
-
-
halides
-
chlorides (1)
-
fluorides (1)
-
-
nitrates (1)
-
oxides
-
anatase (1)
-
ferrihydrite (1)
-
gibbsite (1)
-
goethite (2)
-
hematite (2)
-
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-
iron hydroxides (2)
-
oxyhydroxides (1)
-
-
iron oxides (3)
-
lepidocrocite (1)
-
magnetite (1)
-
manganese oxides (1)
-
titanium oxides (1)
-
-
phosphates
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graftonite (1)
-
struvite (1)
-
-
silicates
-
framework silicates
-
silica minerals
-
quartz (1)
-
-
sodalite group
-
sodalite (1)
-
-
zeolite group
-
clinoptilolite (7)
-
mordenite (1)
-
-
-
sheet silicates
-
clay minerals
-
allophane (1)
-
halloysite (1)
-
imogolite (1)
-
kaolinite (6)
-
montmorillonite (10)
-
smectite (7)
-
vermiculite (2)
-
-
illite (3)
-
magadiite (1)
-
palygorskite (4)
-
sepiolite (3)
-
-
-
sulfates
-
jarosite (1)
-
schwertmannite (1)
-
-
sulfides
-
pyrite (3)
-
-
-
Primary terms
-
Africa
-
East Africa
-
Ethiopia (1)
-
Kenya (1)
-
-
Nile Valley (1)
-
North Africa
-
Algeria (1)
-
Egypt
-
Bahariya Oasis (1)
-
-
Tunisia (3)
-
-
Southern Africa
-
Namibia (1)
-
-
West Africa
-
Ghana (1)
-
-
-
Asia
-
Far East
-
China
-
Hunan China (1)
-
Inner Mongolia China (1)
-
-
Indonesia
-
Sumatra (1)
-
-
Japan
-
Honshu
-
Niigata Japan
-
Shinano River (1)
-
-
-
-
Korea
-
South Korea
-
Seoul South Korea (1)
-
-
-
Philippine Islands (1)
-
Thailand (1)
-
-
Indian Peninsula
-
Afghanistan
-
Ghazni Afghanistan (1)
-
-
Bangladesh (1)
-
India
-
Delhi India (1)
-
Karnataka India
-
Bangalore India (1)
-
-
Krishna River (1)
-
Laccadive Islands (1)
-
Yamuna River (1)
-
-
Pakistan
-
Punjab Pakistan
-
Mansehra Pakistan (2)
-
-
-
-
Middle East
-
Cyprus (2)
-
Israel
-
Galilee (1)
-
-
Turkey (1)
-
-
Southeast Asia (1)
-
-
atmosphere (2)
-
Australasia
-
Australia
-
South Australia (1)
-
-
New Zealand
-
Canterbury New Zealand
-
Canterbury Plains (1)
-
Christchurch New Zealand (1)
-
-
-
-
bacteria
-
coliform bacteria
-
Escherichia
-
Escherichia coli (1)
-
-
-
Geobacter (1)
-
-
bentonite deposits (2)
-
brines (1)
-
Canada
-
Western Canada
-
Alberta
-
Calgary Alberta (1)
-
-
-
-
carbon
-
C-14 (1)
-
organic carbon (5)
-
-
Caribbean region
-
West Indies
-
Antilles
-
Greater Antilles
-
Cuba (1)
-
-
-
-
-
Cenozoic
-
Tertiary
-
Paleogene
-
Eocene
-
lower Eocene
-
Ypresian
-
London Clay (1)
-
-
-
-
-
-
-
Central America
-
Guatemala (1)
-
Nicaragua (1)
-
-
ceramic materials (2)
-
clay mineralogy (41)
-
climate change (3)
-
coal deposits (1)
-
construction materials (2)
-
dams (5)
-
data processing (3)
-
earthquakes (12)
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ecology (1)
-
education (2)
-
energy sources (1)
-
engineering geology (1)
-
environmental geology (2)
-
Europe
-
Central Europe
-
Austria (1)
-
-
Southern Europe
-
Iberian Peninsula
-
Iberian pyrite belt (2)
-
Portugal (1)
-
Spain
-
Andalusia Spain
-
Almeria Spain (1)
-
Huelva Spain (1)
-
-
-
-
Italy
-
Sicily Italy (1)
-
-
Romania
-
Transylvania
-
Cluj Romania (1)
-
-
-
Serbia (1)
-
-
Western Europe
-
United Kingdom
-
Great Britain
-
England
-
Durham England (1)
-
Hampshire England (1)
-
London England (1)
-
Yorkshire England
-
Sheffield England (1)
-
-
-
Wales
-
South Wales (1)
-
South Wales coal field (1)
-
-
-
-
-
-
faults (3)
-
foundations (1)
-
fractures (2)
-
geochemistry (58)
-
geophysical methods (3)
-
government agencies (2)
-
ground water (52)
-
heat flow (1)
-
hydrogen
-
tritium (1)
-
-
hydrogeology (3)
-
hydrology (18)
-
igneous rocks
-
plutonic rocks
-
granites (1)
-
ultramafics (1)
-
-
volcanic rocks
-
glasses
-
perlite (1)
-
-
pyroclastics
-
tuff (1)
-
-
-
-
Indian Ocean Islands (1)
-
industrial minerals (6)
-
isotopes
-
radioactive isotopes
-
C-14 (1)
-
tritium (1)
-
-
stable isotopes
-
N-15/N-14 (1)
-
-
-
land use (3)
-
Mesozoic
-
Cretaceous
-
Upper Cretaceous (1)
-
-
-
metal ores
-
copper ores (1)
-
gold ores (1)
-
manganese ores (1)
-
-
metals
-
alkali metals
-
sodium (3)
-
-
alkaline earth metals
-
magnesium (1)
-
-
aluminum (1)
-
arsenic (9)
-
cadmium (5)
-
chromium (4)
-
cobalt (1)
-
copper (8)
-
iron
-
ferric iron (5)
-
ferrous iron (2)
-
-
lead (12)
-
manganese (2)
-
mercury (3)
-
nickel (3)
-
rare earths
-
lanthanum (1)
-
-
silver (1)
-
titanium (1)
-
zinc (2)
-
-
metamorphic rocks
-
gneisses (1)
-
-
mineral deposits, genesis (1)
-
nitrogen
-
N-15/N-14 (1)
-
organic nitrogen (1)
-
-
North America
-
Appalachians
-
Appalachian Plateau (2)
-
Piedmont (2)
-
-
Gulf Coastal Plain (1)
-
-
Oceania
-
Micronesia
-
Mariana Islands
-
Guam (1)
-
-
-
-
oil and gas fields (1)
-
oxygen
-
dissolved oxygen (5)
-
-
Paleozoic
-
Carboniferous
-
Mississippian (1)
-
-
-
petroleum
-
natural gas
-
coalbed methane (1)
-
shale gas (2)
-
-
shale oil (1)
-
-
phase equilibria (3)
-
phosphorus (2)
-
Plantae
-
Spermatophyta
-
Gymnospermae
-
Coniferales
-
Pinaceae
-
Pinus (1)
-
-
-
-
-
-
pollution (108)
-
reclamation (7)
-
reservoirs (2)
-
roads (3)
-
sedimentary rocks
-
bauxite (1)
-
carbonate rocks
-
chalk (1)
-
limestone (2)
-
-
chemically precipitated rocks
-
evaporites
-
salt (1)
-
-
phosphate rocks (1)
-
-
clastic rocks
-
bentonite (11)
-
mudstone (1)
-
sandstone (1)
-
shale (1)
-
-
coal
-
anthracite (1)
-
-
oil sands (1)
-
-
sedimentation (1)
-
sediments
-
clastic sediments
-
alluvium (1)
-
clay (7)
-
gravel (1)
-
kaolin (1)
-
mud (1)
-
pebbles (1)
-
sand (4)
-
-
peat (1)
-
-
selenium (3)
-
soil mechanics (2)
-
soils
-
laterites (1)
-
loam (1)
-
Red soils (1)
-
Terra rossa (1)
-
-
South America
-
Chile
-
Santiago Chile (1)
-
Valparaiso Chile (1)
-
-
Peru
-
Arequipa Peru (1)
-
-
-
springs (2)
-
sulfur (2)
-
thermal waters (1)
-
tunnels (3)
-
underground installations (1)
-
United States
-
Arizona
-
Mohave County Arizona (1)
-
-
Atlantic Coastal Plain (2)
-
California
-
Amador County California (1)
-
Kern County California (1)
-
Los Angeles County California
-
Los Angeles California (1)
-
-
Marin County California (1)
-
Nevada County California (1)
-
San Fernando Valley (1)
-
San Francisco County California
-
San Francisco California (1)
-
-
San Joaquin Valley (1)
-
Santa Clara County California
-
Santa Clara California (1)
-
-
Southern California (1)
-
Ventura County California
-
Simi Valley California (1)
-
-
-
Florida
-
Hillsborough County Florida (1)
-
-
Floridan Aquifer (1)
-
Georgia
-
Spalding County Georgia (2)
-
-
Illinois
-
Cook County Illinois
-
Chicago Illinois (1)
-
-
McLean County Illinois (1)
-
-
Illinois Basin (1)
-
Indiana
-
Greene County Indiana (1)
-
Lawrence County Indiana (1)
-
Orange County Indiana (1)
-
Sullivan County Indiana (1)
-
-
Kentucky
-
McCreary County Kentucky (1)
-
-
Minnesota
-
Beltrami County Minnesota
-
Bemidji Minnesota (1)
-
-
-
Montana
-
Powell County Montana (1)
-
-
New Mexico
-
Socorro County New Mexico (1)
-
-
North Carolina (1)
-
Pennsylvania
-
Clearfield County Pennsylvania (1)
-
Jefferson County Pennsylvania (2)
-
-
Rhode Island
-
Providence County Rhode Island (1)
-
-
South Carolina
-
Savannah River Site (6)
-
-
Tennessee
-
Hamilton County Tennessee (1)
-
Sequatchie County Tennessee (1)
-
-
-
waste disposal (17)
-
water resources (14)
-
-
rock formations
-
Paskapoo Formation (1)
-
-
sedimentary rocks
-
sedimentary rocks
-
bauxite (1)
-
carbonate rocks
-
chalk (1)
-
limestone (2)
-
-
chemically precipitated rocks
-
evaporites
-
salt (1)
-
-
phosphate rocks (1)
-
-
clastic rocks
-
bentonite (11)
-
mudstone (1)
-
sandstone (1)
-
shale (1)
-
-
coal
-
anthracite (1)
-
-
oil sands (1)
-
-
-
sediments
-
sediments
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clastic sediments
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water treatment
An integrated approach for sewage diversion: Case of the Huayuan mine, Hunan Province, China
Evaluation of Plant-Based Natural Extracts as Coagulants for Surface Water Treatment
Immobilisation of chromium in magnesium carbonate minerals
Evaluation of Plant-Based Natural Extracts as Coagulants for Surface Water Treatment
Abstract Nitrate concentrations in groundwater abstracted from the Hampshire Chalk have increased over the last 20 years. Concentrations at a public water supply are now close to or above the drinking water standard and additional treatment will be required. Investigations of land use and nitrate source apportionment indicate that the largest contributor of nitrate entering the chalk aquifer comes from arable agriculture. Modelling has shown that, under present land use conditions, nitrate concentrations will continue to rise until the latter half of the twenty-first century. South East Water have successfully engaged with land managers and have trialled the use of cover crops at two sites close to the public water supply. Cover crops retain nutrients in the soil and improve soil condition as an integral part of crop rotation. Trials included different crop mixtures such as a variety of Raphanus sativus (oil radish), Vicia sativa (common vetch) and Trifolium alexandrinum/Trifolium incarnatum (clover). Trials were calibrated using porous pot installations and water extracted from the pots was analysed throughout the cover crop growing season. Results indicate cover crops can reduce nitrate concentration losses to the subsurface by up to 80%. Widespread use of cover crops could reduce nutrient leaching to the aquifer and provide a sustainable solution to current groundwater quality issues.