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Arctic Cloud Observations: Comprehensive Data and Insights from Surface and Satellite Measurements

This project report discusses the current status of an existing Arctic observing network that collects extensive cloud data across the Arctic Basin, including locations such as Barrow, Atqasuk, Eureka, Alert, Summit, and NyÅlesund. It covers various aspects of cloud macrophysical and microphysical properties, including occurrence fractions and water content measurements. Collaborative efforts for programmatic and scientific coordination among institutions like IASOA, NOAA, and DOE are highlighted, along with future work focused on improving cloud microphysics algorithms and data release protocols to enrich Arctic research.

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Arctic Cloud Observations: Comprehensive Data and Insights from Surface and Satellite Measurements

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  1. Atqasuk Barrow SHEBA Tiksi Clouds Properties Across the Arctic Basin from Surface and Satellite Measurements –An Existing Arctic Observing Network Eureka Alert Matthew Shupe, Von Walden Univ. of Colorado Univ. of Idaho Ny’Alesund Summit AON PIs Meeting, March 2008

  2. Project Status • Cloud macrophysical property data sets • Cloud occurrence fraction and boundaries • Barrow, Atqasuk, Eureka, Alert, Summit, Ny’Alesund, SHEBA • Currently in QA/QC • Cloud microphysical property data sets • Water content & particle size for liquid and ice • SHEBA and Barrow underway • Eureka in future • Studies • 1) What is a Cloud? • 2) Cloud occurrence across the Arctic Basin • 3) Arctic liquid water clouds Fraction [%]

  3. Coordination and Integration • Programmatic Coordination (objectives, data sharing): • IASOA, NOAA, DOE ARM, CANDAC • Scientific Coordination (data sharing and research): • Ed Eloranta (U. Wisc), cloud identification • Pavlos Kollias (McGill), cloud identification • David Turner (U. Wisc), cloud microphysics • Masataka Shiobara (NIPR, Japan), Ny’Alesund observations • Sandy Starkweather (Polar Field), Summit observations • Satellite Community (intercomparisons): • U. Wisc PEATE – Cloud properties • CloudSat/Calipso – Cloud fraction and phase • Model Community (evaluation): • ERA40, NARR via collaborations with NOAA, U. Colorado

  4. Future Work • Improved microphysics algorithms • Dataset QA/QC • Release data sets  CADIS archive • Satellite observations at Arctic Observatories • Data analysis  Documenting Arctic clouds • Model/Reanalysis evaluations

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