Stratospheric Temperature profiles from Rayleigh-Mie Lidar at Dumont d'Urville, Antarctica

Federal Geographic Data Committee (FGDC) Metadata:

• Identification_Information
• Data_Quality_Information
• Spatial_Reference_Information
• Distribution_Information
• Metadata_Reference_Information

Identification_Information:

Citation:

Citation_Information:

Originator: Unknown

Publication_Date: Unknown

Title: Stratospheric Temperature profiles from Rayleigh-Mie Lidar at Dumont d'Urville, Antarctica

Description:

Abstract:

Instrument History: Since 1989, France leads a monitoring program on human impacts on the Antarctic polar stratosphere. A set of instruments designed to measure ozone and parameters linked to its chemical equilibrium, were implemented on the French Antarctic base, Dumont d'Urville. The French Polar Institute (IPEV, Institut Polaire Français Paul-Emile Victor) supplies recurrent funding and logistics. In this frame, ground-based lidar aerosol and PSC observations were first conducted within the POLE (Polar Ozone Experiment), a French-Italian collaboration between the Service d' Aeronomie-IPSL and the IROE-CNR. In 1989, a backscatter lidar to measure stratospheric particles was implemented. In 1991, this lidar became a multiwavelength system allowing sequential observations of the vertical distribution of ozone and stratospheric particles. Failures of this out of date instrument forced to completely stop ozone measurement in 2000. Stratospheric particles observations continued, but were almost unexploitable. A new instrument was then studied, since 2002, within a new French-Italian collaboration between Service d' Aeronomie-IPSL (becoming LATMOS-IPSL in 2009) and ISAC-CNR. Named LOANA (Lidar Ozone and Aerosols of NDACC in Antarctica), this new lidar system in Dumont d'Urville includes the upgrade of the aerosol/PSC lidar, of the ozone lidar and addition of a temperature lidar. Field implementation started in 2005 for a one year test. Stratospheric particles and temperature measurement are operational since 2006. Ozone measurements only started in 2008, due to THG (Third Harmonic Generator) and PM (Photo-Multipliers) failures. Today, this lidar system is the most complete and is unique on the Antarctic continent. In particular, the ozone lidar in Dumont d'Urville was and is now again the sole instrument of that type running in an operational mode in Antarctica. Instrument Description: The temperature lidar in Dumont d'Urville is a backscatter Rayleigh-Mie lidar also able to measure upper stratospheric temperatures at altitudes higher the 30 km. The system was primarily designed to observe particles in the lower stratosphere, roughly between 8 and 32 km (see Dumont d'Urville aerosols/PSC lidar metafile) and has common part with the ozone lidar (see Dumont d'Urville ozone lidar metafile). Here are the main characteristics of the instrument: - Emitted wavelengths of 532 and 1064 nm (Nd:YAG 10 Hz pulsed laser) - Aer/PSC/T and O3 switch box (manual change optical path) - Biaxial emission (~ 60 cm out of alignment) - Beam expander to get 0.5 mrad beam divergence - 80 cm Newton telescope - Mechanical chopper (cut signal between 0-5 km) - First beam splitter: UV / Visible and IR - Hamamatsu photomultipliers for 532 nm and 608 nm - Embedded Devices photodiode for 1064 nm - Photo-counting mode at 532 nm and 608 nm (60 m vertical resolution) - Analog mode at 1064 nm (15 m vertical resolution) - Aer/PSC/T and ozone electronical switch - Embedded Devices electronic acquisition cards - Labview acquisition software (developed in 2008)

Purpose:

Not Available

Supplemental_Information:

Not Available

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 20060308

Ending_Date: Unknown

Currentness_Reference:Unknown

Status:

Progress: In Work

Maintenance_and_Update_Frequency: As needed

Spatial_Domain:

Description_of_Geographic_Extent:

Bounding_Coordinates:

West_Bounding_Coordinate: 140.0

East_Bounding_Coordinate: 140.0

North_Bounding_Coordinate: -66.686

South_Bounding_Coordinate: -66.686

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 > ATMOSPHERIC TEMPERATURE > TEMPERATURE PROFILES > UPPER STRATOSPHERE - LOWER MESOSPHERE

Theme_Keyword: GROUND-BASED OBSERVATIONS

Theme_Keyword: LIDAR > LIGHT DETECTION AND RANGING

Theme_Keyword: GEOMON > GLOBAL EARTH OBSERVATION AND MONITORING OF THE ATMOSPHERE

Theme_Keyword: Upper Stratospheric Temperature Profiles

Theme_Keyword: Rayleigh-mie Lidar

Theme_Keyword: CLIMATOLOGY/METEOROLOGY/ATMOSPHERE

Place:

Place_Keyword_Thesaurus: GCMD

Place_Keyword: CONTINENT > ANTARCTICA

Place_Keyword: GEOGRAPHIC REGION > POLAR

Place_Keyword: GEOGRAPHIC REGION > SOUTHERN HEMISPHERE

Place_Keyword: VERTICAL LOCATION > STRATOSPHERE

Place_Keyword: CONTINENT > ANTARCTICA > DUMONT D'URVILLE STATION

Temporal:

Temporal_Keyword_Thesaurus: GCMD

Temporal_Keyword: 5 Min

Access_Constraints: Public data. Please inform investigator before using data. Email: Philippe.Keckhut@latmos.ipsl.fr

Use_Constraints:

Please acknowledge IPEV in any presentation or publication using data. Please cite investigator in any presentation or publication using data. Email: Philipe.Keckhut@latmos.ipsl.fr

Point_of_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: YANN COURCOUX

Contact_Position: TECHNICAL CONTACT

Contact_Address:

Address_Type: Mailing and Physical Address

Address: LATMOS / IPSL

Address: 11, boulevard d'Alembert

City: Guyancourt

Postal_Code: 78280

Country: France

Contact_Electronic_Mail_Address: yann.courcoux@latmos.ipsl.fr

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

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Geographic:

Latitude_Resolution: 66.666667

Longitude_Resolution: 140.016667

Geographic_Coordinate_Units: Decimal degrees

Vertical_Coordinate_System_Definition:

Altitude_System_Definition:

Altitude_Datum_Name: Not Available

Altitude_Resolution: 60 m

Altitude_Distance_Units: Not Available

Altitude_Encoding_Method: Implicit coordinate

Depth_System_Definition:

Depth_Datum_Name: Not Available

Depth_Resolution: 60 m

Depth_Distance_Units: Not Available

Depth_Encoding_Method: Implicit coordinate

Distribution_Information:

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: FR/CNRS/IPSL/LATMOS > Laboratoire Atmosphères, Milieux, Observations Spatiales, Centre National de la Recherche Scientifique, France

Contact_Person: MICHÈLE THETIS

Contact_Position: DATA CENTER CONTACT

Contact_Address:

Address_Type: Mailing and Physical Address

Address: LATMOS - IPSL

Address: Route Forestière de Verrières

City: Verrières-le-Buisson

Postal_Code: 91370

Country: France

Contact_Voice_Telephone: +33 (0) 1 64 47 42 13

Contact_Facsimile_Telephone: +33 (0) 1 69 20 29 99

Contact_Electronic_Mail_Address: Michele.Thetis@latmos.ipsm.fr

Resource_Description: NDACC-France data

Distribution_Liability:

Not Available

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Format_Name: Not Available

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name:

http://www.latmos.ipsl.fr

Access_Instructions:

DATA CENTER URL

Digital_Transfer_Option:

Fees: Not Available

Metadata_Reference_Information:

Metadata_Date: 20090728

Metadata_Review_Date: 20130307

Metadata_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: JULIEN JUMELET

Contact_Position: DIF AUTHOR

Contact_Address:

Address_Type: Mailing and Physical Address

Address: LATMOS / IPSL

Address: Université Paris 6 - B102

Address: Tour 45-46, 3e étage

Address: 4, place Jussieu

City: Paris Cedex 05

Postal_Code: 75252

Country: France

Contact_Voice_Telephone: +33 (0)1 44 27 84 43

Contact_Facsimile_Telephone: +33 (0)1 44 27 37 76

Contact_Electronic_Mail_Address: Julien.Jumelet@latmos.ipsl.fr

Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata

Metadata_Standard_Version: FGDC-STD-001-1998

Metadata_Time_Convention: local time