Data Set Title - National Snow and Ice Data Center

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Appendix C: Submission Template
Section 1: (To be completed by submitter/PI)
Data Set Title
Greenland and Antarctic Snowmelt derived from SSM/I
Investigator(s) Name and Title
Marco Tedesco, Investigator
Organization
Cryospheric Processes Laboratory, EAS Dept., CCNY, CUNY, NY, USA
Contact Information
[email protected]
Data Set Summary
The data set contains binary daily masks of melt/no-melt areas over Greenland and
Antarctica as derived from passive microwave observations between 1979 and 2010 at a 25
km resolution.
Data Description
Format
Binary, 721 x 721, 25 km EASE-Grid
File Naming Convention
Greenland_DDD_YYYY
Antarctica_DDD_YYYY
DDD = Day of the year
YYYY = Year
Volume
n/a (will be available soon)
Spatial Coverage
Greenland & Antarctica
Spatial Resolution
25 km
Temporal Coverage
1979 – 2010
Temporal Resolution
Daily
Parameter Description
Ingest Frequency: 1-time?
Yearly? X
Ongoing?
Potentially updated every summer
Data Acquisition and Processing
Quality and Accuracy
Product Algorithm Theoretical Basis
See Publications
References and Related Publications
Tedesco, M. Assessment and development of snowmelt retrieval algorithms over Antarctica
from K-band spaceborne brightness temperature (1979–2008). Remote Sensing of the
Environment 113(5) 979-997.
Tedesco, M. Snowmelt detection over the Greenland ice sheet from SSM/I
brightness temperature daily variations. Geophysical Research Letters 34: L02504.
Tedesco, M., W. Abdalati, and H.J. Zwally. Persistent surface snowmelt over Antarctica
(1987–2006) from 19.35 GHz brightness temperatures. Geophysical Research Letters 34:
L18504.
PI Justification
To provide the cryospheric community with updated melting maps over Greenland and
Antarctica and support ongoing scientific projects.
Section 2: From DAAC Product Team/Scientist
Heritage:
Marco Tedesco proposed archival at NSIDC.
DAAC Justification:
Per NSIDC Scientists: Walt Meier, Richard Armstrong
(1) Tedesco provides estimates using different methods, can be beneficial for cross-validation
(2) Tedesco includes Antarctica, while the most closely related data is Greenland only
(3) Tedesco is through 2010, while the most closely related data is through 2007.
(4) Tedesco seems more attentive to updating.
User Working Group, MOUs, requests, other
No prior action from UWG or MOU to archive these data.
Anticipated Activity (any metrics?)
No usage metrics provided.
DAAC Total Anticipated Effort
Category
Archival
Desired State
Work
Difficulty
Desired State: NSIDC Yearly Ingest
Additional Factors:
10
Total
Metadata
Desired State: Full Catalog
Additional Factors:
10
Total
Documentation
Desired State: Adv + Mini Guide
Additional Factors:
Distribution
Desired State: FTP Access
Additional Factors:
User Services
Infrastructure
User Services
Support
10
10
15
Total
15
5
Total
5
Total
0
10
Total
10
Grand Total
50
Infrastructure Development
Desired State: USO Documentation Support
Additional Factors:
Section 3: Proposed Recommendations from the UWG
Comments on Science research value. (e.g Comments on potential designation as
Climate Data Record / Earth Science Data Record Potential)
NASA Data Management Priority (e.g. keep, move to other center, move to long term
archive, remove)
UWG Recommended ACTIONS
Status (accept, reject, return for more information)
Level of Service/Type of Service
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