Dataset Title |
Global Historical Climatology Network-Monthly, Version 3 |
Dataset Information URL |
http://www.ncdc.noaa.gov/ghcnm/v3.php; http://dx.doi.org/10.7289/V5X34VDR |
Data Provider POC (Name; E-mail; Affiliation) |
Jay Lawrimore; Jay.Lawrimore@noaa.gov; NCEI/CWC/CSD/DSB |
Dataset POC (Name; E-mail; Affiliation) |
Jay Lawrimore; Jay.Lawrimore@noaa.gov; NCEI/CWC/CSD/DSB |
SMM Version (Document ID and Version Number) |
NCDC-CICS-SMM_0001_Rev.1 12/09/2014 (Peng et al., 2015)
|
SMM POC (Name; E-mail; Affiliation) |
Ge Peng; Ge.Peng@noaa.gov; Cooperative Institute for Climate and Satellites, North Carolina (CICS-NC), North Carolina State University (NCSU) & NOAA's National Centers for Environmental Information (NCEI)1 |
SMM Template Version (Document ID and Version Numbers) |
NCDC-CICS-SMM_0001_Rev.1 v4.0 06/23/2015 (Peng, 2015) |
SMM Template POC (Name; E-mail; Affiliation) |
Ge Peng; Ge.Peng@noaa.gov; Cooperative Institute for Climate and Satellites, North Carolina (CICS-NC), North Carolina State University (NCSU) & NOAA's National Centers for Environmental Information (NCEI) |
SMM Assessment Version (v<nn>r<mm>, e.g., v01r00) |
v01r03 |
SMM Assessment Date (MM/DD/YYYY) |
09/04/2015 |
SMM Assessment POC (Name; E-mail; Affiliation) |
Jay Lawrimore; Jay.Lawrimore@noaa.gov; NCEI/CWC/CSD/DSB; Valerie Toner; valerie.toner@noaa.gov; NCEI/DSD/AB; Christina Lief; Christina.Lief@noaa.gov; NCEI/DSD/AB; Ge Peng; Ge.Peng@noaa.gov; NCEI/CWC/CSD/PRB & CICS-NC; Rich Baldwin; Rich.Baldwin@noaa.gov; NCEI/DSD/DAB |
Stewardship Maturity Ratings (kc1/kc2/kc3/kc4/kc5/kc6/kc7/kc8/kc9) |
4.0/2.0/2.5/4.5/3.5/2.5/3.0/2.5/3.5 |
SMM Original Assessment Date (MM/DD/YYYY) |
06/08/2015 |
SMM Original Assessment POC (Name; E-mail; Affiliation) |
Valerie Toner; valerie.toner@noaa.gov; Archive Specialist, Contractor with Team ERT/STG, an affiliate of NOAA's National Centers for Environmental Information (NCEI) |
SMM Last Modified Date (MM/DD/YYYY) |
09/04/2015 |
SMM Last Modification POC (Name; E-mail; Affiliation) |
Rich Baldwin; Rich.Baldwin@noaa.gov; NCEI/DSD/DAB |
SMM Modified Date (MM/DD/YYYY) |
07/22/2015 |
SMM Modification POC (Name; E-mail; Affiliation) |
Ge Peng; Ge.Peng@noaa.gov; NCEI/CWC/CSD/PRB & CICS-NC; Jay Lawrimore; Jay.Lawrimore@noaa.gov; NCEI/CWC/CSD/DSB; Christina Lief; Christina.Lief@noaa.gov; NCEI/DSD/AB; Valerie Toner; valerie.toner@noaa.gov; NCEI/DSD/AB |
SMM Modified Date (MM/DD/YYYY) |
07/06/2015 |
SMM Modification POC (Name; E-mail; Affiliation) |
Jay Lawrimore; Jay.Lawrimore@noaa.gov; NCEI/CWC/CSD/DSB |
SMM Modified Date (MM/DD/YYYY) |
06/25/2015 |
SMM Modification POC (Name; E-mail; Affiliation) |
Christina Lief; Christina.Lief@noaa.gov; NCEI/DSD/AB |
1NCEI includes the organizations previously referred to as National Climatic Data Center (NCDC), National Geophysical Data Center (NGDC), and National Oceanographic Data Center (NODC). |
Maturity Scale (across) |
Level 1 Ad Hoc Not Managed |
Level 2 Minimal Managed Limited |
Level 3 Intermediate Managed Defined Partially Implemented |
Level 4 Advanced Managed Well-Defined Fully Implemented |
Level 5 Optimal Level 4 + Measured Controlled, Audit |
|
Key Component (below) |
Stewardship Maturity Rating and Justification or Evidence |
Comments |
Preservability
(The state of being preservable) |
Any storage location
Data only |
Non-designated repository
Redundancy
Limited archiving metadata |
Designated archive
Redundancy
Community-standard archiving metadata
Conforming to limited archiving standards |
Level 3 + Conforming to community archiving standards |
Level 4 +
Archiving process performance controlled, measured, and audited
Future archiving standard changes planned
|
Level 4
- Archived at NCEI-NC (Designated NOAA data center that is compliant to NARA archive standards.)
- Conforming to the NCEI-NC archiving process and guideline that are following OAIS RM (CCSDS, 2012)
- Compliant to NCEI-NC defined archive procedure and requirement set forth by Submission Agreement (SA)
- Offsite backup copy available
- Collection level Metadata conforming to ISO 19115 metadata standards
|
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Accessibility
(The state of being searchable and accessible publicly) |
Not publicly available
Person-to-person |
Publicly available
Direct file download (e.g., via anonymous FTP server)
Collection/dataset level searchable online |
Level 2 +
Non-standard data service
Limited data server performance
Granule/file level searchable
Limited search metrics |
Level 3 +
Community-standard data service
Enhanced data server performance
Conforming to community search metrics
Dissemination report metrics defined and implemented internally |
Level 4 +
Dissemination reports available online
Future technology and standard changes planned
|
Level 2
- Direct file download via ftp server
- Data and metadata are ASCII files, space delimited, in gzip’d tar files. (1 file containing all station data and 1 file containing all station metadata)
- Collection-level searchable (Google, NCEI, NOAA Catalog, Geoportal) but not searchable at file-level
- Dissemination report available internally
|
Next version will be at level 3 (metadata will be in the Historical Observing Metadata Repository (HOMR) and data will be provided via Climate Data Online (CDO) portal) |
Usability
(The state of being easy to use) |
Extensive product-specific knowledge required
No documentation online |
Non-standard data format
Limited documentation (e.g., user's guide) online |
Community standard-based interoperable format & metadata
Documentation (e.g., source code, product algorithm document, processing or/and data flow diagram) online |
Level 3 +
Basic capability (e.g., subsetting, aggregating) & data characterization (overall/global, e.g., climatology, error estimates) available online |
Level 4 +
Enhanced online capability (e.g., visualization, multiple data formats)
Community metrics of data characterization (regional/cell) online
External ranking |
Level 2.5
- README file online
- Product algorithm reference list is online
- Some source code online
- All source code/data flow/process flow diagram not online
- Data and file-level metadata are in ASCII format which is in situ community supported format
- The current ASCII files are not self-describing
|
Next version will be at level 3 (with all source code, data flow and process flow diagrams) with self-describing data format. |
Production Sustainability
(The state of data production being sustainable and extendable) |
Ad Hoc or Not applicable
No obligation or deliverable requirement |
Short-term
Individual PI's commitment (grant obligations) |
Medium-term
Institutional commitment (contractual deliverables with specs and schedule defined) |
Long-term
Institutional commitment
Product improvement process in place |
Level 4 +
National or international commitment
Changes for technology planned |
Level 4.5
- Long-term institutional and international commitment
- Data are being updated regularly
- Product improvement in place
- Product under version control
|
|
Data Quality Assurance
(The state of data quality being assured) |
Data quality assurance (DQA) procedure unknown or none |
Ad Hoc and random
DQA procedure not defined and documented |
DQA procedure defined and documented and partially implemented |
DQA procedure well documented, fully implemented and available online with master reference data
Limited data quality assurance metadata |
Level 4 +
DQA procedure monitored and reported
Conforming to community quality metadata & standards
External review |
Level 3.5
- DQA procedure defined in JGR-Atmospheres journal article (Lawrimore et al., 2011) and also described online under "Data Assurance" tab
- Quality assurance procedures fully implemented
- Community metrics are produced and made available online
- No data quality assurance metadata
|
|
Data Quality Control/Monitoring
(The state of data quality being controlled and monitored) |
None or Sampling unknown or spotty
Analysis unknown or random in time |
Sampling and analysis are regular in time and space
Limited product-specific metrics defined & implemented |
Level 2+
Sampling and analysis are frequent and systematic but
not automatic
Community metrics defined and partially implemented
Procedure documented and available online |
Level 3+
Anomaly detection procedure well-documented and fully implemented using community metrics, automatic, tracked and reported
Limited quality monitoring metadata |
Level 4 +
Cross-validation of temporal & spatial characteristics
Physical consistency check
Conforming to community quality metadata & standards
Dynamic providers/users feedback in place |
Level 2.5
- Quality flagged and statistics metrics are online
- Regular monthly manual reviews of automatically generated plots or statistics are conducted.
- Quality monitoring metrics are consistent with in situ community
- Procedure is not documented and available online
- No data quality control/monitoring metadata
|
For next version, documentation on the procedure(s) will be online level 3. |
Data Quality Assessment
(The state of data quality being assessed) |
Algorithm/method/model theoretical basis assessed (methods and results online) |
Level 1 +
Research product assessed (methods and results online) |
Level 2+
Operational product assessed (methods and results online) |
Level 3+
Quality metadata assessed
Limited quality assessment metadata |
Level 4 +
Assessment performed on a recurring basis
Conforming to community quality metadata & standards
External ranking |
Level 3
- Information on the product algorithm and data quality assessment procedures is available in the JGR-Atmospheres article (Lawrimore et al., 2011) and online here.
- Assessment of the operational product, i.e., GHCN-Monthly version 3.x, was done comparing with other datasets and included in the latest IPCC report (IPCC, 2013)
- No data quality assessment metadata
|
|
Transparency /Traceability
(The state of being transparent, trackable, and traceable) |
Limited product information available
Person-to-person |
Product information available in literature |
Algorithm Theoretical Basis Document (ATBD) & source code online
Dataset configuration managed (CM)
Unique Object Identifier (OID) assigned (dataset, documentation, source code)
Data citation tracked
(e.g., utilizing Digital Object Identifier (DOI) system) |
Level 3+
Operational Algorithm Description (OAD) online, OID assigned, and under CM |
Level 4 +
System information online
Complete data provenance online |
Level 2.5
- Product information in the literature (Lawrimore et al., 2011)
- Dataset ID is assigned (NCDC DSI 9100_03) and under CM
- Dataset DOI is assigned and tracked
- Detailed summary of each software modification and the resulting impacts to global temperatures is available here (Williams et al., 2012; Gleason et al., 2015)
- The Pairwise Homogeneity Adjustment algorithm software is available online here
|
Descriptive Product Information Document will be generated and available for next version Level 3. |
Data Integrity
(The state of data integrity being verifiable) |
Unknown or no data ingest integrity check |
Data ingest integrity verifiable (e.g., checksum technology) |
Level 2 +
Data archive integrity verifiable |
Level 3+
Data access integrity verifiable
Conforming to community data integrity technology standard |
Level 4 +
Data authenticity verifiable (e.g., data signature technology)
Performance of data integrity check monitored and reported |
Level 3.5
- Data integrity is checked at ingest, archive, and dissemination using the check-sum technology
- No check-sum available online for users to verify data files at access
|
Recommend including checksum/MANIFEST on ftp when staging the data files. |