Scientists
Research Grants
Scientific Publications
Informatics Research
NSIDC Scientific Expeditions
Scientists blog from Antarctica and provide a glimpse of what it's like to do research in the field. 
What's hot in the news around climate and sea ice and what are scientists talking about now? 
Data Sets
CLPX Study Area Map. See high-resolution map. Map courtesy of NSIDC.
The CLPX Data Set Table below lists both unrestricted and restricted CLPX data sets. If you have problems accessing data or have questions, please contact NSIDC User Services.
For more information regarding the Cold Land Process Field Experiment (CLPX), please see the CLPX Overview page.
Airborne Data Sets
| Title | Spatial Coverage | Temporal Coverage | Spatial Resolution | Temporal Resolution | Parameter(s) |
|---|---|---|---|---|---|
| CLPX Airborne Gamma Snow and Soil Moisture Surveys, Version 1 | N: 41, S: 39.5, E: -105, W: -107.5 |
2003/03/25 to 2003/03/31 2003/02/19 to 2003/02/21 2002/09/17 2002/02/19 to 2002/02/23 2001/09/20 to 2001/09/22 |
SNOW COVER, SNOW WATER EQUIVALENT, SOIL MOISTURE/WATER CONTENT | ||
| CLPX Airborne: Airborne Visible/Infrared Imaging Spectrometer (AVIRIS) Data, Version 1 | N: 41, S: 39.7, E: -105.5, W: -107 |
2002/02/19 to 2002/02/20 2002/03/25 to 2002/04/01 2002/04/04 to 2002/04/08 |
REFLECTANCE, SNOW COVER, SNOW GRAIN SIZE | ||
| CLPX-Airborne: Airborne Synthetic Aperture Radar (AIRSAR) Imagery, Version 1 | N: 40.7, S: 39.9, E: -105.9, W: -106.7 |
2002/03/25 2002/02/19 2002/02/21 2002/02/22 to 2002/02/24 2002/09/17 2003/03/25 2003/03/26 2003/03/28 to 2003/03/30 |
RADAR IMAGERY | ||
| CLPX-Airborne: Infrared Orthophotography and Lidar Topographic Mapping, Version 1 | N: 41, S: 39.5, E: -105, W: -107.5 |
2003/04/08 to 2003/04/09 2003/09/18 to 2003/09/19 |
LIDAR BACKSCATTER, TOPOGRAPHICAL RELIEF MAPS | ||
| CLPX-Airborne: Micrometeorological Measurements Over Snow, Airborne, Version 1 | 2002/11/01 to 2003/03/31 | AIR TEMPERATURE, ATMOSPHERIC PRESSURE MEASUREMENTS, CARBON DIOXIDE, HUMIDITY, LONGWAVE RADIATION, NET RADIATION, OUTGOING LONGWAVE RADIATION, PRECIPITATION AMOUNT, SHORTWAVE RADIATION, WATER VAPOR PROFILES | |||
| CLPX-Airborne: Multiband Polarimetric Scanning Radiometer (PSR) Imagery, Version 1 | N: 41, S: 39.6, E: -105.2, W: -107.4 |
2002/02/19 to 2002/02/21 2003/02/22 to 2003/02/25 2003/03/25 to 2003/03/31 |
BRIGHTNESS TEMPERATURE, MICROWAVE IMAGERY | ||
| CLPX-Airborne: Polarimetric Ku-Band Scatterometer (POLSCAT) Data, Version 1 |
N: 40.00833, S: 39.76694, E: -105.71694, W: -106.025
N: 40.56667, S: 40.34167, E: -106.54167, W: -106.81694 N: 40.78361, S: 40.575, E: -106.14167, W: -106.41694 |
2002/02/21 2002/02/23 2002/03/25 2003/03/25 2003/03/28 2003/03/30 |
RADAR BACKSCATTER |
Model Data Sets
| Title | Spatial Coverage | Temporal Coverage | Spatial Resolution | Temporal Resolution | Parameter(s) |
|---|---|---|---|---|---|
| CLPX NCAR Data Analysis and Numerical Modeling, Version 1 | N: 42, S: 38.5, E: -104, W: -108.5 | 2001/10/01 to 2003/06/30 | AIR TEMPERATURE, SURFACE WINDS | ||
| CLPX NOAA FSL Rapid Update Cycle 20 km (RUC-20) Dataset, Version 1 | N: 54, S: 24, E: 66, W: -126 | 2002/09/30 to 2003/09/30 | AIR TEMPERATURE, GEOPOTENTIAL HEIGHT, High Level Cloud Cover, Incoming Long Wave, INCOMING SOLAR RADIATION, LATENT HEAT FLUX, Low Level Cloud Cover, Mid Level Cloud Cover, OUTGOING LONGWAVE RADIATION, Outgoing Short Wave, POTENTIAL TEMPERATURE, PRECIPITATION AMOUNT | ||
| CLPX-Model: Land Data Assimilation System (LDAS) Data, Version 1 | N: 42, S: 38.5, E: -104, W: -108.5 | 2001/01/01 to 2003/08/01 | AIR TEMPERATURE, ALBEDO, CANOPY CHARACTERISTICS, EVAPORATION, HEAT FLUX, HUMIDITY, LAND SURFACE TEMPERATURE, LEAF CHARACTERISTICS, PRECIPITATION AMOUNT, RUNOFF, SNOW COVER, SNOW DEPTH | ||
| CLPX-Model: Local Analysis and Prediction System: 4-D Atmospheric Analyses, Version 1 | N: 42, S: 38.5, E: -104, W: -108.5 | 2001/09/01 to 2003/08/31 | 1 hour | AIR TEMPERATURE, ATMOSPHERIC PRESSURE MEASUREMENTS, Cloud Amount/Frequency, Cloud Base, CLOUD CEILING, CONVERGENCE/DIVERGENCE, DEW POINT TEMPERATURE, EVAPORATION, HUMIDITY, INFILTRATION, LAND SURFACE TEMPERATURE | |
| CLPX-Model: Rapid Update Cycle 40km (RUC-40) Model Output Reduced Data, Version 1 | N: 42.568, S: 38.394, E: -103.971, W: -108.615 | 2002/10/01 to 2003/06/30 | 40 km | 1 minute | Accumulated Snow, AIR TEMPERATURE, ALBEDO, Convective Precipitation, Downward Longwave Flux, Downward Shortwave Flux, GEOPOTENTIAL HEIGHT, High Level Cloud Cover, LATENT HEAT FLUX, Low Level Cloud Cover, Mid Level Cloud Cover, SEA LEVEL PRESSURE |
Satellite Data Sets
| Title | Spatial Coverage | Temporal Coverage | Spatial Resolution | Temporal Resolution | Parameter(s) |
|---|---|---|---|---|---|
| CLPX-Satellite: AMSR-E Brightness Temperature Grids, Version 1 | N: 42, S: 38.5, E: -104, W: -108.5 | 2003/02/01 to 2003/05/31 | BRIGHTNESS TEMPERATURE, MICROWAVE IMAGERY, MICROWAVE RADIANCE | ||
| CLPX-Satellite: AVHRR/HRPT Brightness Temperatures and Reflectances, Version 1 | N: 42.05, S: 38.45, E: -103.95, W: -108.55 | 2001/11/09 to 2003/06/26 | INFRARED IMAGERY, VISIBLE IMAGERY | ||
| CLPX-Satellite: EO-1 Hyperion Surface Reflectance, Snow-Covered Area, and Grain Size, Version 1 | N: 40.3, S: 39.6, E: -105.7, W: -106 |
2002/03/19 2002/02/15 |
REFLECTANCE, SNOW COVER, SNOW GRAIN SIZE | ||
| CLPX-Satellite: Landsat Thematic Mapper Imagery, Version 1 | N: 41.3098, S: 39.34853, E: -104.51927, W: -107.23799 | 2001/11/10 to 2003/01/09 | INFRARED IMAGERY, INFRARED RADIANCE, REFLECTED INFRARED, THERMAL INFRARED, VISIBLE IMAGERY, VISIBLE RADIANCE | ||
| CLPX-Satellite: MODIS Radiances, Reflectances, Snow Cover and Related Grids, Version 1 | N: 42, S: 38.5, E: -104, W: -108.5 |
2002/02/15 to 2002/05/15 2003/02/15 to 2003/05/15 |
EMISSIVITY, LAND SURFACE TEMPERATURE, REFLECTANCE, SNOW COVER, SNOW/ICE, VEGETATION INDEX, VISIBLE IMAGERY, VISIBLE RADIANCE | ||
| CLPX-Satellite: Multi-angle Imaging Spectroradiometer (MISR) Products, Version 1 | N: 42, S: 38.5, E: -104, W: -108.5 |
2003/02/15 to 2003/05/15 2002/02/15 to 2002/05/15 |
ALBEDO, VISIBLE RADIANCE | ||
| CLPX-Satellite: SSM/I Brightness Temperature Grids, Version 1 | N: 42, S: 38.5, E: -104, W: -108.5 |
2003/02/01 to 2003/05/31 2002/02/01 to 2002/05/31 |
UTM25000 | BRIGHTNESS TEMPERATURE, MICROWAVE IMAGERY, MICROWAVE RADIANCE |
Ground Data Sets
| Title | Spatial Coverage | Temporal Coverage | Spatial Resolution | Temporal Resolution | Parameter(s) |
|---|---|---|---|---|---|
| CLPX-Ground: Ground Based Passive Microwave Radiometer (GBMR-7) Data, Version 1 | N: 39.95, S: 39.95, E: -105.9, W: -105.9 |
2002/01/19 to 2002/01/21 2002/10/01 to 2003/03/29 2002/12/10 to 2002/12/13 2003/02/18 to 2003/02/26 2003/03/25 |
AIR TEMPERATURE, BRIGHTNESS TEMPERATURE, INCOMING SOLAR RADIATION, PRECIPITATION AMOUNT, RELATIVE HUMIDITY, SNOW COVER, SNOW DENSITY, SNOW DEPTH, SNOW GRAIN SIZE, SNOW/ICE TEMPERATURE, SNOW STRATIGRAPHY, WIND DIRECTION | ||
| CLPX-Ground: Ground-Based Frequency Modulated Continuous Wave (FMCW) Radar, Version 1 | N: 40.6449, S: 39.828, E: -105.7681, W: -106.6788 |
2003/02/19 to 2003/03/29 2002/02/19 to 2002/03/26 |
RADAR REFLECTIVITY, SNOW COVER, SNOW DEPTH | ||
| CLPX-Ground: Ground-Based Infrared Images of the LSOS Site, Version 1 | N: 39.9066, S: 39.9066, E: -105.8829, W: -105.8829 |
2002/02/18 to 2002/02/22 2002/03/28 to 2002/03/30 2003/03/26 to 2003/03/30 |
ALBEDO, CANOPY CHARACTERISTICS, INFRARED IMAGERY, INFRARED RADIANCE, LONGWAVE RADIATION, NET RADIATION, OUTGOING LONGWAVE RADIATION, SHORTWAVE RADIATION, THERMAL INFRARED | ||
| CLPX-Ground: Ground-based L and Ku band polarimetric scatterometry, Version 1 | N: 39.95, S: 39.95, E: -105.9, W: -105.9 |
2003/03/26 to 2003/03/30 2003/02/17 to 2003/02/26 |
MICROWAVE RADIANCE, RADAR BACKSCATTER, RETURN POWER, SNOW, SNOW COVER, SNOW DEPTH | ||
| CLPX-Ground: ISA Corner Site Meteorological Data, Version 1 | N: 41, S: 39.5, E: -105, W: -107.5 | 2002/09/01 to 2003/10/31 | AIR TEMPERATURE, RELATIVE HUMIDITY, SNOW DEPTH, SOIL MOISTURE/WATER CONTENT, SOIL TEMPERATURE, WIND DIRECTION, WIND SPEED | ||
| CLPX-Ground: ISA Main Meteorological Data, Version 1 | N: 41, S: 39.5, E: -105, W: -107.5 | 2002/09/20 to 2003/10/01 | AIR TEMPERATURE, ATMOSPHERIC PRESSURE MEASUREMENTS, LONGWAVE RADIATION, PRECIPITATION AMOUNT, RELATIVE HUMIDITY, SHORTWAVE RADIATION, SNOW DENSITY, SNOW DEPTH, SNOW/ICE TEMPERATURE, SOIL MOISTURE, SOIL TEMPERATURE | ||
| CLPX-Ground: ISA Snow Depth Transects and Related Measurements, Version 2 | N: 42, S: 38.5, E: -104, W: -108.5 |
2002/03/25 to 2002/03/30 2003/02/20 to 2003/02/25 2003/03/26 to 2003/03/31 2002/02/19 to 2002/02/24 |
CANOPY CHARACTERISTICS, SNOW COVER, SNOW DEPTH, SOIL TEMPERATURE, SURFACE ROUGHNESS | ||
| CLPX-Ground: ISA Snow Pit Measurements, Version 2 | N: 42, S: 38.5, E: -104, W: -108.5 | 2002/02/19 to 2002/03/30 | SNOW DENSITY, SNOW DEPTH, SNOW/ICE, SNOW/ICE CHEMISTRY, SNOW/ICE TEMPERATURE, SNOW STRATIGRAPHY | ||
| CLPX-Ground: ISA Soil Moisture Measurements, Version 1 |
N: 40, S: 39.8, E: -105.7, W: -106
N: 40.6, S: 40.375, E: -106.2, W: -106.8 N: 40.8, S: 40.625, E: -106.15, W: -106.4 |
2001/09/01 to 2003/04/30 | SOIL MOISTURE/WATER CONTENT | ||
| CLPX-Ground: Micrometeorological Data at the Local Scale Observation Site (LSOS), Version 1 | N: 39.90661, S: 0, E: 0, W: -105.88294 | 2002/11/06 to 2003/05/29 | HEAT FLUX, HUMIDITY, SNOW/ICE TEMPERATURE, SOIL HEAT BUDGET, SOIL MOISTURE/WATER CONTENT, SOIL TEMPERATURE, Surface Air Temperature | ||
| CLPX-Ground: Micrometeorological Measurements Over Snow, Ground-Based, Version 1 |
2001/12/01 to 2002/03/27 2002/11/20 to 2003/03/24 |
AIR TEMPERATURE, ATMOSPHERIC PRESSURE MEASUREMENTS, CARBON DIOXIDE, HUMIDITY, LONGWAVE RADIATION, NET RADIATION, OUTGOING LONGWAVE RADIATION, PRECIPITATION AMOUNT, PRECIPITATION RATE, SHORTWAVE RADIATION, SNOW DEPTH | |||
| CLPX-Ground: Micrometeorological Measurements Over Snow, Tower Mounted, Version 1 | N: 40.78361, S: 40.575, E: -106.14167, W: -106.41694 | AIR TEMPERATURE, ATMOSPHERIC PRESSURE MEASUREMENTS, CARBON DIOXIDE, HUMIDITY, LONGWAVE RADIATION, NET RADIATION, OUTGOING LONGWAVE RADIATION, PRECIPITATION AMOUNT, PRECIPITATION RATE, SHORTWAVE RADIATION, SNOW DEPTH | |||
| CLPX-Ground: Snow Measurements at the Local Scale Observation Site (LSOS), Version 1 | N: 39.95, S: 39.95, E: -105.9, W: -105.9 |
2002/02/22 to 2002/02/23 2002/03/25 to 2002/03/30 2003/02/19 to 2003/02/20 2003/03/24 to 2003/03/30 |
SNOW COVER, SNOW DENSITY, SNOW DEPTH, SNOW WATER EQUIVALENT, Snow Wetness, SURFACE ROUGHNESS | ||
| CLPX-Ground: Sub-Canopy Energetics at the Local Scale Observation Site (LSOS), Version 1 | N: 39.9038, S: 39.9038, E: -105.883, W: -105.883 | 2001/11/01 to 2003/03/31 | CANOPY CHARACTERISTICS, LONGWAVE RADIATION, SOLAR RADIATION | ||
| CLPX-Ground: University of Michigan Ground-Based Microwave Radiometer, Version 1 | N: 39.903611, S: 39.903611, E: -105.883056, W: -105.883056 | 2003/03/24 to 2003/04/02 | BRIGHTNESS TEMPERATURE |
