The list below shows the descriptors of the chosen thesaurus, with the number of catalog records in which the descriptor appears.
kriging
multivariate statistical analysis
regression analysis
topological analysis
acid-base accounting
electrical resistivity logging
gamma-ray logging
long-term ecological monitoring
magnetotelluric surveying
handheld field spectroscopy
seismic networking
seismic refraction methods
telemetry
tiltmeter measurement
vocalization methods
animal tracking
capturing (animals)
plant and animal tagging
sexing (plants & animals)
trenching
altimetry measurement
land surveying
liquid chromatography
electrophoresis
flow cytometry
neutron activation analysis
particle-beam spectroscopy
polymerase chain reaction
culturing (specimens)
beryllium isotope analysis
rubidium-strontium analysis
potassium-argon analysis
meristics
electron microscopy
scanning electron microscopy
microtomy
Curie temperature analysis
laboratory-induced magnetization analysis
magnetic hysteresis analysis
magnetic susceptibility analysis
natural remanent magnetization analysis
therapeutic methods
tree ring analysis
camera calibration
fission-track dating
tephrochronology
ecosystem services valuation
TMDL
hazard preparedness
earthquake preparedness
aviation safety
data preservation
data rescue
metadata management
information system administration
database administration
network administration
information system security
social network development
web interface development
data packaging
web service development
markup and query language development
data integration
information architecture
knowledge organization system development
biological population management
fishery management
reintroduction (organisms)
wildlife population management
game management
pest control
controlled flooding
natural resource assessment
bioremediation
water resource management
watershed management
fire control
controlled fires
earthquake probabilities
landslide susceptibility assessment
volcanic eruption prediction
hard shoreline stabilization
soft shoreline stabilization
coastal infrastructure relocation
adaptive management
aeromagnetic surveying
aeroradiometric surveying
hyperspectral imaging
IFSAR
infrared imaging
AVHRR
AVIRIS
microwave imaging
SMMR
SSM/I
panchromatic imaging
radar imaging
SLAR
doppler radar imaging
thermal imaging
conceptual modeling
state and transition modeling
physical modeling
bibliographies
directories
reports
checklists
guidebooks
manuals
standards
conference proceedings
strategic plans
posters
official communications
news releases
policies and regulations
speeches and testimony
materials standards
presentation materials
sound recordings
terminologies and classifications
geologic time scales
climatology
paleogeography
economic geology
petrology
lithostratigraphy
volcanology
geodesy
tectonophysics
invertebrate paleontology
paleobotany
vertebrate paleontology
engineering sciences
engineering geology
hydraulic engineering
biological informatics
computer science
anatomy and physiology
endocrinology
histology
immunology
phycology
cell biology
developmental biology
bacteriology
virology
morphology (biological)
mycology
parasitology
pathology
systematics and taxonomy
invertebrate zoology
entomology
vertebrate zoology
herpetology
ichthyology
mammalogy
ornithology
ethology
archeology
agriculture
aquaculture
atmospheric circulation
atmospheric deposition (chemical & particulate)
acid deposition
desertification
droughts
blizzards
ice storms
tornadoes
dust storms
evaporation
greenhouse effect
algal blooms
bioaccumulation
nutrient cycling
food web
biological productivity
dispersal (organisms)
ecological competition
extinction and extirpation
migration (organisms)
pollination
succession (biological)
transpiration
biodegradation
ore formation
oxidation and reduction
reaction transport
sorption
thermal maturation
diagenesis
induced seismicity
ground failure
liquefaction
sinkhole formation
glaciation
hydrothermal processes
isostasy
metamorphism (geological)
alteration
tectonic processes
neotectonic processes
volcanic gas emission
earth tides
soil formation
magnetic storms
lahars
uplift
fluid migration
organism growth and development
metamorphosis
anatomical deformities
bioluminescence
osmosis
photosynthesis
bioenergetics
water cycle
percolation
runoff
saltwater intrusion
scour
evolution
impact cratering
longshore currents
coastal emergence
coastal submergence
protected areas
business and economics
recycling
resource supply and demand
materials flow (commodities)
cadastral and legal land descriptions
laws and regulations
transportation
population (human)
atmospheric composition
greenhouse gases
ozone layer
core (earth)
inner core (earth)
outer core (earth)
continental lithosphere
mantle (earth)
asthenosphere
geologic history
earth history
foliation (geologic)
lineation (geologic)
structure contours
gravitational field (earth)
isostatic anomaly
free-air anomaly
bouguer anomaly
gravity gradient
ichnofossils
igneous rocks
volcanic rocks
plutonic rocks
metamorphic rocks
bedforms
mine waste
soil horizons
solid industrial waste material
slag
coal ash
mineral deposits
remanent magnetism
acid neutralizing potential
electromagnetic reflectance and emissivity
disease vectors
human environmental safety
zoonotic diseases
wildlife disease
avian influenza
chronic wasting disease
white-nose syndrome
habitat fragmentation
mining hazards
overfishing
overgrazing
waste treatment and disposal
deforestation
dredging
abandoned mines and quarries
metadata development
instrument design and development
pesticide and herbicide contamination
toxic radionuclide contamination
mercury contamination
nonpoint-source pollution
mine drainage
produced water
microplastic contamination
PFAS
mining and quarrying
well drilling
placer deposit mining
enhanced oil recovery
hydraulic fracturing
commercial fishery resources
marine fishery resources
whaling
recreational fishery resources
subsistence fishery resources
forest resources
building stone resources
gem resources
critical minerals
coal resources
geothermal resources
coalbed methane resources
oil resources
oil sand resources
oil shale resources
wind energy
biological soil crusts
unsaturated zone
consumers (organisms)
carnivores
herbivores
omnivores
decomposers
endangered species
game species
keystone species
macroinvertebrates
native species
endemic species
nekton
phytoplankton
pollinators
producers (organisms)
shellfish
periphyton
weeds
wildlife
microbes
parasites
nuisance species
genetically engineered organisms
calcareous nannoplankton
dinoflagellates
arachnids
crustaceans
ostracodes
horseshoe crabs
insects
butterflies and moths
bees and wasps
trilobites
bryozoans and brachiopods
conodonts
sponges
worms
flatworms
roundworms
segmented worms
tunicates
amphibians
mammals
bears
bats
walruses
reptiles
dinosaurs
fungi
lichens
nonvascular plants
liverworts and hornworts
mosses
ferns and fern allies
flowering plants
gymnosperms
planetary bodies
meteorites
animal behavior
ecosystem diversity
environmental DNA
community ecology
desert ecosystems
forest ecosystems
grassland ecosystems
shrubland ecosystems
tundra ecosystems
island ecosystems
symbiosis
phenology
scientific careers
water hardness
dissolved metals
water column reflectivity
water supply and demand
wastewater discharge
water budget
water use
domestic well water use
drinking water use
industrial water use
irrigation
mining water use
power generation water use
public supply water use
aquaculture water use
recreation
actinide series elements
alkali metal elements
alkaline earth elements
halogen elements
lanthanide series elements
noble gas elements
nonmetal elements
platinum-group elements
actinium
americium
argon
astatine
berkelium
bohrium
bromine
californium
curium
darmstadtium
dubnium
einsteinium
fermium
francium
germanium
gold
hassium
helium
hydrogen
indium
iodine
iridium
krypton
lawrencium
lithium
meitnerium
mendelevium
neon
neptunium
niobium
nobelium
osmium
oxygen
plutonium
polonium
promethium
protactinium
rhenium
rubidium
ruthenium
rutherfordium
seaborgium
tantalum
technetium
ununnilium
ununnubium
ununnunium
xenon
Neogene
Miocene
Pliocene
Paleogene
Eocene
Oligocene
Paleocene
Mesozoic
Cretaceous
Jurassic
Triassic
Paleozoic
Cambrian
Devonian
Mississippian
Ordovician
Pennsylvanian
Permian
Silurian
Precambrian
Archaean
Hadean
Proterozoic
Neoproterozoic
Ediacaran
Mesoproterozoic
Paleoproterozoic
seasons
autumn
spring (season)
summer
winter
field offices
laboratories
national centers
organizational structure
science centers
science discipline offices
regional offices
support offices
mission directorates
employment and volunteer opportunities
science programs
partnerships
interagency programs
interdisciplinary programs
international programs
external research support
citizen science programs
standards development
customer support and user feedback
educational services
college resources
internship programs
lifelong learning resources
K-12 resources
application programming interfaces
reference services
map interfaces
web map services
sales and distribution services
search services
news services
publishing
media relations
community relations
