CLASIC
Cloud LAnd Surface Interaction Campaign (CLASIC)
1 June 2007 - 30 June 2007
Lead Scientist: Mark Miller
Observatory: AAF, SGP
Cumulus convection is an important component of the atmospheric radiation budget and hydrologic cycle of the Southern Great Plains (SGP), particularly during the summertime growing season. Continental cumulus convection is strongly modulated by land surface conditions, while at the same time influencing the land surface itself through rain-induced changes in soil moisture and through its impact on photosynthesis. Land surface conditions determine whether the partitioning of surface available energy is dominated by the sensible heat flux or by the latent heat flux, which is an important factor in the evolution of the convective boundary layer. Consequently, land surface characteristics influence the timing and evolution of cumulus convection, in particular the cloud base height, cloud depth, and convective available potential energy. The four ARM Working groups endorsed an Intensive Observation Period (IOP at the Southern Great Plains (SGP) Climate Research User Facility during the summer of 2007. The purpose of this IOP was to advance our understanding of cumulus convection and its controls, particularly those associated with land surface processes. The Cloud and Land Surface Interaction Campaign (CLASIC) IOP covered a period of 1-3 months straddled the winter wheat harvest when large changes in the land surface lead to large changes in the surface albedo, latent heat flux, and sensible heat flux. The working groups were particularly interested in the relationship between land surface processes and the observed cloud cover, and vice versa. The new science that was proposed addressed specific aspects of the problem, especially known model deficiencies and gaps in our physical understanding of cloud and land surface feedbacks. In addition to advancing climate science, the working groups believed that this IOP would help realize the potential of ARM’s new instrument capabilities, provide significant validation data for NASA’s new active satellite remote sensors, and enhance ACRF capabilities by expanding into cross-discipline research.
Science Questions:
What are the roles of cumulus convection and spatial variations in land cover in depleting low-level water vapor as it is advected into the SGP region?
What are the relationships between cumulus clouds and aerosols and the soil-plant-atmosphere exchange of energy, carbon, and water at the site?
How do soil moisture and land cover changes, such as agricultural harvesting, impact the surface energy, carbon, and water fluxes, and can they impact local and regional cumulus cloud formation at the SGP site?
How do land surface processes at the SGP affect atmospheric aerosol loading and chemistry and what are the resulting effects on the microphysical and macrophysical properties of cumulus cloud fields?
How well do the local measurements of the sensible, latent, and carbon fluxes made at the SGP represent the domain average fluxes?
For list of contributors to this field campaign, refer to the sponsors.
Related Publications
2016
Schmid B, R Ellingson, and G McFarquhar. 2016. "ARM Aircraft Measurements." Meteorological Monographs, 57, 10.1175/AMSMONOGRAPHS-D-15-0042.1.
2014
Schmid B, JM Tomlinson, JM Hubbe, JM Comstock, F Mei, D Chand, MS Pekour, CD Kluzek, E Andrews, SC Biraud, and GM McFarquhar. 2014. "The DOE ARM Aerial Facility." Bulletin of the American Meteorological Society, 95(5), 10.1175/bams-d-13-00040.1.
2013
Roman MO, CK Gatebe, Y Shuai, Z Wang, F Gao, JG Masek, T He, S Liang, and CB Schaaf. 2013. "Use of In Situ and Airborne Multiangle Data to Assess MODIS- and Landsat-Based Estimates of Directional Reflectance and Albedo." IEEE Transactions on Geoscience and Remote Sensing, 51(3), 10.1109/tgrs.2013.2243457.
Mather JH and JW Voyles. 2013. "The ARM Climate Research Facility: A Review of Structure and Capabilities." Bulletin of the American Meteorological Society, 94(3), 10.1175/bams-d-11-00218.1.
Research Highlight
Phillips V. 2013. Mechanisms for Indirect Effects from Aerosol Pollution on Glaciated Clouds. Presented at 4th Atmospheric System Research (ASR) Science Team Meeting. Potomac, MD.
Basara J, LM Tardif-Huber, DX Vanegas, BG Illston, CM Biradar, and WP Kustas. 2013. The Impact of Vegetation Conditions on Land-Atmosphere Interactions During an Anomalously Wet Period. Presented at 93th Annual American Meteorological Society (AMS) Meeting. Austin, TX.
2012
Bozeman ML, D Niyogi, S Gopalakrishnan, FD Marks, XJ Zhang, and V Tallapragada. 2012. "An HWRF-based ensemble assessment of the land surface feedback on the post-landfall intensification of Tropical Storm Fay (2008)." Natural Hazards, 63(3), 10.1007/s11069-011-9841-5.
Portis D, P Lamb, and A Zangvil. 2012. Estimation of a Non-flux Component of Atmospheric Moisture Flux Divergence and Its Relation to SGP CLASIC Clouds and Rainfall. Presented at 3rd Atmospheric System Research (ASR) Science Team Meeting. Arlington, VA.
Charusambot U, D Niyogi, M Miller, and F Chen. 2012. Effect of Land Surface Interactions on Low-level Jet Development and Cloud Convection Processes: a Mesoscale Modeling Study Using the ARM CLASIC 2007 and IHOP 2002 Field Observations. Presented at 3rd Atmospheric System Research (ASR) Science Team Meeting. Arlington, VA.
2011
Roman MO, CK Gatebe, CB Schaaf, R Poudyal, Z Wang, and MD King. 2011. "Variability in surface BRDF at different spatial scales (30 m–500 m) over a mixed agricultural landscape as retrieved from airborne and satellite spectral measurements." Remote Sensing of Environment, 115(9), 10.1016/j.rse.2011.04.012.
View All Related Publications
Campaign Data Sets
IOP Participant | Data Source Name | Final Data |
---|---|---|
Roni Avissar | Helicopter Observation Platform | Order Data |
Maria Cadeddu | Microwave Water Radiometer | Order Data |
Patrick Chuang | Phase Doppler Interferometer | Order Data |
Don Collins | Cloud Condensation Nuclei Counter | Order Data |
Don Collins | Tandem Differential Mobility Analyzer | Order Data |
John DeVore | Sun and Aureole Measurement | Order Data |
Rose Dominguez | MODIS Airborne Simulator | Order Data |
Albin Gasiewski | Polarimetric Scanning Radiometer | Order Data |
Charles Gatebe | Cloud Absorption Radiometer | Order Data |
Gerald Heymsfield | ER-2 Cloud Radar | Order Data |
Gerald Heymsfield | ER-2 Navigation | Order Data |
Chris Hostetler | HSR Lidar | Order Data |
Thomas Jackson | Land Cover | Order Data |
Thomas Jackson | Passive and Active L-band System | Order Data |
Thomas Jackson | Soil Moisture and Ground Sampling | Order Data |
Thomas Jackson | Soil Type | Order Data |
Thomas Jackson | Tower Flux Measurements | Order Data |
Thomas Jackson | Vegetation Water Content | Order Data |
Haflidi Jonsson | CIRPAS | Order Data |
Jimena Lopez | CIRPAS Carbon Monoxide | Order Data |
Sergey Matrosov | Cloud and Rainfall Parameter Retrievals | Order Data |
Matt McGill | ER-2 Cloud Lidar | Order Data |
John Ogren | CESSNA Nephelometer | Order Data |
John Ogren | CESSNA Particle Soot Absorption Photometer (PSAP) | Order Data |
John Ogren | CIRPAS Nephelometer | Order Data |
John Ogren | CIRPAS Particle Soot Absorption Photometer (PSAP) | Order Data |
Brad Orr | Balloon-Borne Sounding System | Order Data |
Margaret Torn | CESSNA CARBON FLASKS | Order Data |
Margaret Torn | CESSNA CO2 | Order Data |
Margaret Torn | CIRPAS CARBON FLASKS | Order Data |
Margaret Torn | CIRPAS CO2 | Order Data |
Margaret Torn | Radon | Order Data |
Shaocheng Xie | Constrained Variational Objective Analysis Data | Order Data |
SGP Data Sources
Name | Full Name | Browse Data |
---|---|---|
ABRFC |
Arkansas-Red Basin River Forecast Center | Browse Data |
ACARS |
Aircraft Communications Addressing and Reporting System | Browse Data |
AERI |
Atmospheric Emitted Radiance Interferometer | Browse Data |
AERINF |
AERI Noise Filtered | Browse Data |
AERIPROF |
AERI Profiles of Water Vapor and Temperature | Browse Data |
AEROSOLBE |
Aerosol Best Estimate | Browse Data |
AIP |
Aerosol Intensive Properties | Browse Data |
AOD |
Aerosol Optical Depth, derived from atmospheric extinction of solar irradiance | Browse Data |
AOS |
Aerosol Observing System | Browse Data |
AOSCCNAVG |
Aerosol Observing System (AOS): cloud condensation nuclei data, averaged | Browse Data |
ARMBE |
ARM Best Estimate Data Products | Browse Data |
ARMBE2DGRID |
2D Gridded Surface Data Set | Browse Data |
ARMBESTNS |
Station-based Surface Products | Browse Data |
ARSCL |
Active Remotely-Sensed Cloud Locations | Browse Data |
AVHRR |
Advanced Very High Resolution Radiometer | Browse Data |
BAEBBR |
Best-Estimate Fluxes From EBBR Measurements and Bulk Aerodynamics Calculations | Browse Data |
BEFLUX |
Best-Estimate Radiative Flux | Browse Data |
BRS |
Broadband Radiometer Station | Browse Data |
CCN |
Cloud Condensation Nuclei Particle Counter | Browse Data |
CCNPROF |
Cloud Condensation Nuclei Profile | Browse Data |
CEIL |
Ceilometer | Browse Data |
CLDTYPE |
Cloud Type Classification | Browse Data |
CO |
Carbon Monoxide Mixing Ratio System | Browse Data |
CO2FLX |
Carbon Dioxide Flux Measurement Systems | Browse Data |
CSPHOT |
Cimel Sunphotometer | Browse Data |
DISDROMETER |
Impact Disdrometer | Browse Data |
EBBR |
Energy Balance Bowen Ratio Station | Browse Data |
ECMWFDIAG |
European Centre for Medium Range Weather Forecasts Diagnostic Analyses | Browse Data |
ECOR |
Eddy Correlation Flux Measurement System | Browse Data |
FLASK |
Flask Samplers for Carbon Cycle Gases and Isotopes | Browse Data |
GOES |
Geostationary Operational Environmental Satellites | Browse Data |
GOES-UTH |
Upper Tropospheric Relative Humidity from GOES Satellite Data | Browse Data |
IAP |
In-situ Aerosol Profiles (Cessna Aerosol Flights) | Browse Data |
INTERPSONDE |
Interpolated Sonde | Browse Data |
IRT |
Infrared Thermometer | Browse Data |
KSUMESO |
Kansas State University Mesonet | Browse Data |
LSSONDE |
Microwave Radiometer-Scaled Sonde Profiles | Browse Data |
MERGESONDE |
Merged Sounding | Browse Data |
MET |
Surface Meteorological Instrumentation | Browse Data |
MFR |
Multifilter Radiometer | Browse Data |
MFRSR |
Multifilter Rotating Shadowband Radiometer | Browse Data |
MFRSRCLDOD |
Cloud Optical Properties from MFRSR Using Min Algorithm | Browse Data |
MICROBASE |
Continuous Baseline Microphysical Retrieval | Browse Data |
MMCR |
Millimeter Wavelength Cloud Radar | Browse Data |
MMCRMODE |
MMCR mode moments, derived by ARSCL process | Browse Data |
MOLTS |
Model Output Location Time Series | Browse Data |
MPL |
Micropulse Lidar | Browse Data |
MPLAVG |
MPL: data averaged to fixed 30 second interval, e.g. for polarized data | Browse Data |
MPLCMASK |
Cloud mask from Micropulse Lidar | Browse Data |
MWR |
Microwave Radiometer | Browse Data |
MWRAVG |
Microwave Radiometer Averages in 1- and 5-Minute Increments | Browse Data |
MWRHF |
Microwave Radiometer - High Frequency | Browse Data |
MWRRET |
MWR Retrievals | Browse Data |
NCEPGFS |
National Centers for Environment Prediction Global Forecast System | Browse Data |
NDROP |
Droplet number concentration | Browse Data |
NFOV |
Narrow Field of View Zenith Radiometer | Browse Data |
NIMFR |
Normal Incidence Multifilter Radiometer | Browse Data |
NOAACRN |
NOAA Climate Reference Network | Browse Data |
NWSUPA |
National Weather Service Upper Air Measurements | Browse Data |
OKM |
Oklahoma Mesonet | Browse Data |
ORG |
Optical Rain Gauge | Browse Data |
PBLHT |
Planetary Boundary Layer Height | Browse Data |
PGS |
Precision Carbon Dioxide Mixing Ratio System | Browse Data |
QCECOR |
Quality Controlled Eddy Correlation Flux Measurement | Browse Data |
QCRAD |
Data Quality Assessment for ARM Radiation Data | Browse Data |
QMEAERILBL |
Comparison of Statistics or Clouds data from AERI vs. LBLRTM Model runs | Browse Data |
RADFLUXANAL |
Radiative Flux Analysis | Browse Data |
RAIN |
Rain Gauge | Browse Data |
RIPBE |
Radiatively Important Parameters Best Estimate | Browse Data |
RL |
Raman Lidar | Browse Data |
RLPROF |
Raman LIDAR Vertical Profiles | Browse Data |
RSS |
Rotating Shadowband Spectroradiometer | Browse Data |
RUC |
Rapid Update Cycle Model Data | Browse Data |
RWP |
Radar Wind Profiler | Browse Data |
SFCCLDGRID |
Surface Cloud Grid | Browse Data |
SHALLOWCUMULUS |
Fair-Weather Shallow Cumulus Identification | Browse Data |
SIRS |
Solar and Infrared Radiation Station | Browse Data |
SODAR |
Mini Sound Detection and Ranging | Browse Data |
SONDE |
Balloon-Borne Sounding System | Browse Data |
SONDEADJUST |
Sonde Adjust | Browse Data |
SONDEGRID |
Gridded Sonde VAP Product | Browse Data |
SUOMIGPS |
SuomiNet Global Positioning System | Browse Data |
SURFSPECALB |
Surface Spectral Albedo | Browse Data |
SURTHREF |
Surface Temperature and Humidity Reference System for Sondes | Browse Data |
SWATS |
Soil Water and Temperature System | Browse Data |
SWFLUXANAL |
Shortwave Flux Analysis | Browse Data |
SWS |
Shortwave Spectroradiometer | Browse Data |
TDMA |
Tandem Differential Mobility Analyzer | Browse Data |
TDMADAP |
Aerosol Properties derived from TDMA Measurements | Browse Data |
THWAPS |
Temperature, Humidity, Wind and Pressure Sensors | Browse Data |
TSI |
Total Sky Imager | Browse Data |
TWR |
Facility-specific multi-level Meteorological Instrumentation | Browse Data |
TWRMR |
Tower Water-Vapor Mixing Ratio | Browse Data |
USDARAD |
US Department of Agriculture (USDA) Radiation Monitoring Data | Browse Data |
VARANAL |
Constrained Variational Analysis | Browse Data |
VDIS |
Video Disdrometer | Browse Data |
VISST |
Minnis Cloud Products Using Visst Algorithm | Browse Data |
WACR |
W-Band (95 GHz) ARM Cloud Radar | Browse Data |
WPDN |
Wind Profiler Demo Network | Browse Data |
WPDNGPS |
Wind Profiler Demonstration Network GPS | Browse Data |