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Development of tree ring like proxy on arctic shrubs Cassiope tetragona to reconstruct polar climate
Entry ID:
Cassiope_Arctic_Climate_Proxy_Weijers_IPY59_NL
Summary
Abstract:
Annual stem length, annual number of leaves, annual average leaf length, annual total leaf length and leaf lifespan. All of Cassiope tetragona. These parameters were measured at three sites: Ny-Ålesund and Endalen in Svalbard and for Abisko, Sweden. Same parameters were measured in 17 control and 17 Open Top Chambers plots near Ny-Ålesund. Same parameters were measured in 20 control and 20 ...
 Purpose: The study aims to validate the use of annual growth parameters of the arctic dwarf shrubs Cassiope tetragona as proxy for past arctic summer temperatures. Dendrochronological techniques are applied in order to establish reliable growth-temperature transfer functions that allow temperature reconstruction on the high arctic archipelago Svalbard. Subsequently climate-growth relationships are further experimentally assessed by manipulating growth in the field through warming of the tundra with Open Top Chambers (OTC's), lowering of the Photosynthetically Active Radiation (PAR) with tents (-50%) and doubling the ambient precipitation in field sites near Longyearbyen and Ny-Ålesund in Svalbard.
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Spatial coordinates
Data Set Citation
Dataset Originator/Creator:
Weijers, S.
Dataset Title:
Annual growth parameters of Cassiope tetragona
Dataset Publisher:
Weijers, S.
Temporal Coverage
Start Date:
2008-01-15
Stop Date:
2012-01-14
Location Keywords
Science Keywords
ISO Topic Category
Platform
Project
Access Constraints
none
Use Constraints
none
Ancillary Keywords
Data Set Progress
COMPLETE
Data Center
Distribution
Distribution Media:
FTP
Distribution Size:
29 GB
Distribution Format:
Universal Radar Format
Fees:
$0
Personnel
Role:
INVESTIGATOR
Phone:
757-824-1515
Email:
gerlach at wff.nasa.gov
Contact Address:
NASA Wallops Flight Facility
City:
Wallops Island
Province or State:
Virginia
Postal Code:
233375
Country:
USA
Publications/References
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Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date:
2007-06-14
Last DIF Revision Date:
2011-06-21
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- Webmaster: Monica Holland
- Responsible NASA Official: Lola Olsen
- Last updated: June 2013
