GPM Ground Validation Autonomous Parsivel Unit (APU) LPVEx

Federal Geographic Data Committee (FGDC) Metadata:


Identification_Information:
Citation:
Citation_Information:
Originator: Unknown
Publication_Date: Unknown
Title: GPM Ground Validation Autonomous Parsivel Unit (APU) LPVEx
Description:
Abstract:
The Global Precipitation Measurement Ground Validation Experiment is the ground-based component of the GPM mission which also includes satellite data. The GPM mission is to study global rain, snow and ice to better understand our climate, weather, and hydrometeorological processes. The ground instruments include disdrometers and rain gauges. The satellite data will extend TRMM's observations of precipitation to higher latitudes with more frequent sampling. GPM will be capable of measuring rain rates as small as a hundredth of an inch per hour to as large as 4 inches an hour. GPM will be able to estimate the various sizes of precipitation particles, and will also discriminate between snow and rain. GPM will seek to achieve these measurements with a 3-hour average revisit time over 80% of the globe, and the data will be available to users within 3 hours of observation time. The Light Precipitation Evaluation Experiment (LPVEx) took place in September and October 2010 in the Gulf of Finland to characterize the ability of CloudSat, the Global Precipitation Mission (GPM) Dual-frequency Precipitation Radar (DPR), and existing/planned passive microwave (PMW) sensors such as the GPM microwave imager (GMI) to detect light rain and evaluate their estimates of rainfall intensity in high latitude, shallow freezing level environments. The experiment leveraged in situ microphysical property measurements, coordinated remote sensing observations, and cloud resolving model simulations of high latitude precipitation systems to conduct a comprehensive evaluation of precipitation algorithms for current and future satellite platforms. The campaign will use these measurements to better understand the process of light rainfall formation at high latitudes and augment the currently limited database of light rainfall microphysical properties that form the critical assumptions at the root of satellite retrieval algorithm. The Autonomous Parsivel Unit (APU) is an optical disdrometer based on single particle extinction that measures particle size and fall velocity. This APU consists of the Parsivel, which was developed by OTT in Germany, and its support systems, which were designed and built by the University of Alabama in Huntsville. This dataset provides rainfall data for the Global Precipitation Measurement (GPM) Misson Ground Validation Experiment collected at four sites in Finland: Harmaja, Emasalo, and Jarvenpaa, and the Gulf of Finland(Aranda) during the Light Precipitation Validation Experiment, September-October 2010.
Purpose:
Not Available
Supplemental_Information:
Not Available
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20100915
Ending_Date: 20101020
Currentness_Reference:Unknown
Status:
Progress: Complete
Maintenance_and_Update_Frequency: As needed
Spatial_Domain:
Description_of_Geographic_Extent:
Bounding_Coordinates:
West_Bounding_Coordinate: 25.04
East_Bounding_Coordinate: 25.37
North_Bounding_Coordinate: 60.29
South_Bounding_Coordinate: 60.06
Keywords:
Theme:
Theme_Keyword_Thesaurus: GCMD SCIENCE PARAMETERS
Theme_Keyword_Thesaurus: GCMD PLATFORM
Theme_Keyword_Thesaurus: GCMD INSTRUMENT
Theme_Keyword_Thesaurus: PROJECT
Theme_Keyword_Thesaurus: ANCILLARY KEYWORDS
Theme_Keyword_Thesaurus: ISO TOPIC CATEGORY
Theme_Keyword: EARTH SCIENCE > ATMOSPHERE > PRECIPITATION > DROPLET SIZE
Theme_Keyword: EARTH SCIENCE > ATMOSPHERE > PRECIPITATION > PRECIPITATION AMOUNT
Theme_Keyword: EARTH SCIENCE > ATMOSPHERE > PRECIPITATION > PRECIPITATION RATE
Theme_Keyword: EARTH SCIENCE > ATMOSPHERE > PRECIPITATION > RAIN
Theme_Keyword: GROUND-BASED OBSERVATIONS
Theme_Keyword: DISDROMETERS
Theme_Keyword: APU > AUTONOMOUS PARSIVEL UNIT (APU)
Theme_Keyword: EOSDIS > EARTH OBSERVING SYSTEM DATA INFORMATION SYSTEM
Theme_Keyword: ESIP > EARTH SCIENCE INFORMATION PARTNERS PROGRAM
Theme_Keyword: GPM > GLOBAL PRECIPITATION MEASUREMENT
Theme_Keyword: CWIC > CEOS WGISS INTEGRATED CATALOG
Theme_Keyword: Eosdis
Theme_Keyword: CLIMATOLOGY/METEOROLOGY/ATMOSPHERE
Place:
Place_Keyword_Thesaurus: GCMD
Place_Keyword: CONTINENT > EUROPE > NORTHERN EUROPE > SCANDINAVIA > FINLAND
Access_Constraints: none
Use_Constraints:
none
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: PATRICK GATLIN
Contact_Position: TECHNICAL CONTACT
Contact_Address:
Address_Type: Mailing and Physical Address
Address: Global Hydrology and Climate Center
Address: 320 Sparkman Dr
City: Huntsville
State_or_Province: AL
Postal_Code: 35805
Country: USA
Contact_Voice_Telephone: 256-961-7910
Contact_Electronic_Mail_Address: patrick.gatlin@nasa.gov
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Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
Not Available
Logical_Consistency_Report:
Not Available
Completeness_Report:
Not Available
Lineage:
Process_Step:
Process_Description:
Not Available
Process_Date: Unknown
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Spatial_Reference_Information:
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Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: NASA/MSFC/GHRC > Global Hydrology Resource Center, Marshall Space Flight Center, NASA
Contact_Person: GHRC USER SERVICES OFFICE
Contact_Position: DATA CENTER CONTACT
Contact_Address:
Address_Type: Mailing and Physical Address
Address: GHRC User Services Office
Address: Global Hydrology Resource Center (GHRC)
Address: 320 Sparkman Drive
City: Huntsville
State_or_Province: AL
Postal_Code: 35805
Country: USA
Contact_Voice_Telephone: 256-961-7932
Contact_Facsimile_Telephone: 256-961-7859
Contact_Electronic_Mail_Address: ghrcdaac@itsc.uah.edu
Resource_Description: gpmpalpvex
Distribution_Liability:
Not Available
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: ASCII
Transfer_Size: 100-500KB/day
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
http://ghrc.nsstc.nasa.gov/
Access_Instructions:
DATA CENTER URL
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
http://reverb.echo.nasa.gov/reverb/#utf8=%E2%9C%93...
Access_Instructions:
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Fees: None
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Metadata_Reference_Information:
Metadata_Date: 20110207
Metadata_Review_Date: 20110209
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: SHERRY HARRISON
Contact_Position: DIF AUTHOR
Contact_Address:
Address_Type: Mailing and Physical Address
Address: 320 Sparkman Dr.
City: Huntsville
State_or_Province: AL
Postal_Code: 35805
Country: USA
Contact_Voice_Telephone: 256-961-7973
Contact_Electronic_Mail_Address: ghrcdaac@itsc.uah.edu
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
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