Topic
GRID
FIELD SURVEY
314
500 METERS TO 1 KILOMETER
245
MONTHLY TO ANNUAL
244
EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > ACTIVE LAYER
203
IN SITU/LABORATORY INSTRUMENTS > PROBES > PROBES
199
environment
187
250 METERS TO 500 METERS
173
TRANSECT
168
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL MOISTURE PROBE
167
POINT
167
1 KILOMETER
163
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL TEMPERATURE PROBE
162
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL DEPTH PROBE
149
IN SITU/LABORATORY INSTRUMENTS > RECORDERS/LOGGERS > TEMPERATURE LOGGERS
148
30 METERS TO 100 METERS
143
IN SITU/LABORATORY INSTRUMENTS > PROBES > SNOW MEASURING ROD
142
IN SITU/LABORATORY INSTRUMENTS > TEMPERATURE/HUMIDITY SENSORS > TEMPERATURE SENSORS
142
IN SITU/LABORATORY INSTRUMENTS > PROBES > TEMPERATURE PROBES
139
1 METER TO 30 METERS
138
IN SITU/LABORATORY INSTRUMENTS > TEMPERATURE/HUMIDITY SENSORS > THERMISTORS > THERMISTORS
138
100 METERS TO 250 METERS
137
GRIDS AND VECTORS
137
MULTIPLE
137
EARTH SCIENCE > BIOSPHERE > TERRESTRIAL ECOSYSTEMS > ALPINE/TUNDRA
71
biota
54
geoscientificInformation
49
ANNUAL
48
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL MOISTURE/WATER CONTENT
37
WEEKLY TO MONTHLY
30
OTHER
24
climatologyMeteorologyAtmosphere
23
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL TEMPERATURE
22
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > PHOTON/OPTICAL DETECTORS > CAMERAS > CAMERAS
20
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > SPECTROMETERS/RADIOMETERS > SPECTROMETERS > SPECTROMETERS
20
10 KILOMETERS TO 50 KILOMETERS
19
KITE
19
SATELLITE
18
1 SECOND TO 1 MINUTE
15
EARTH SCIENCE > CRYOSPHERE > SNOW/ICE > SNOW DEPTH
15
1 KILOMETER TO 10 KILOMETERS
14
oceans
13
DAILY TO WEEKLY
12
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > SPECTROMETERS/RADIOMETERS > IMAGING SPECTROMETERS/RADIOMETERS > SSMI > SPECIAL SENSOR MICROWAVE/IMAGER
12
LESS THAN 1 METER
12
EARTH SCIENCE > BIOSPHERE > VEGETATION > VEGETATION COVER
11
EARTH SCIENCE > BIOSPHERE > VEGETATION > VEGETATION SPECIES
11
EARTH SCIENCE > AGRICULTURE > FOREST SCIENCE > FOREST FIRE SCIENCE
10
EARTH SCIENCE > BIOSPHERE > ECOLOGICAL DYNAMICS > FIRE ECOLOGY > FIRE MODELS
10
EARTH SCIENCE > BIOSPHERE > ECOLOGICAL DYNAMICS > FIRE ECOLOGY > FIRE OCCURRENCE
10
more ...