Difference between revisions of "Category:MARPA Working Group"
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Revision as of 04:56, 2 April 2017
Contents
Overview
In the Linked Earth context, a working group (WG) is a self-organized coalition of knowledgeable experts, whose activities are governed herewith. This page is dedicated to the discussion of data and metadata standards for MARPA (marine annually-resolved proxy archives, including corals, mollusks, and sclerosponges), and aims to formulate a set of recommendations for such a standard. Note that chronological aspects should be discussed within the Chronologies WG.
Members of 'MARPA Working Group'
This working group has 7 members.
Specific tasks
We recommend that discussions focus on the following techniques, and explore potential commonalities.
For each chronology type, we recommend:
- structuring discussions around what scientific questions one would want to ask of the data
- listing essential, recommended, and optional information for:
- the measurements themselves
- any inference made from the measurements (e.g. calibration to temperature)
- the underlying uncertainties, and what those numbers correspond to (e.g. 1-sigma or 2-sigma?)
- provide an ideal data table for each type of observation, so the community knows what to report and how to report it.
- provide separate recommendations for new and legacy datasets
Sub-groups
Corals
observations to describe:
- stable isotopes
- radiocarbon
- trace metals
Sclerosponges
Mollusks
MARPA Standards : Template 1st draft
Below is a summarizing the metadata from the File:MARPA Template.xlsx. See the Discussion to comment on the template, fill out the table below, and vote on the polls.
See this page for the definition of essential, recommended, and desired metadata for the standards developed by LinkedEarth.
Physical Sample metadata - SESAR
Note: Although the new release of the LinkedEarth ontology will include a PhysicalSample category, there are no formal ways to describe the samples beyond their name, the possibility to enter an IGSN number or a lab ID number, a Collection Method, and where the sample is currently located.
| Metadata | Essential (E), Recommended (R), Desired (D) | Comments |
|---|---|---|
| Sample Name | ||
| IGSN | ||
| Parent IGSN | ||
| Material | According to SESAR metatada, categorizes the material that composes to the sample (e.g., water, granite, tissue). Proposed classification: Biology | |
| Field Name | In the LinkedEarth Ontology, this would be the SensorSpecies and SensorGenus | |
| Classification | e.g., Marobiology>coral | |
| Sample description | e.g., Scleractinian corals, core 236cm - 6 sections | |
| Age (min/max) and associated units | In the LinkedEarth framework, the minimum/maximum age is automatically calculated from the chronology information when a file is transformed into LiPD | |
| Geological age | ||
| CollectionMethod | ||
| Size and associated units | ||
| Latitude | ||
| Longitude | ||
| Elevation start | ||
| Navigation Type | ||
| Location description | e.g., lagoon | |
| Locality | e.g., Vanua Balavu | |
| Locality description | e.g, North of Susui village on east side of exposed reef | |
| Country | e.g., Fiji | |
| State/Province | ||
| County | ||
| City/Township | ||
| Field program/Cruise | e.g., Evohe 2004 Expedition | |
| Collector/Chief Scientist | e.g, Braddock K. Linsley | |
| Collection date | 4/11/04 | |
| Collection date precision | day | |
| Current archive | Where the physical sample is currently curated. e.g., LDEO Core Repository | |
| Current archive contact | e.g., Braddock K. Linsley |
Publication data
The proposed scheme is similar to the one proposed by LinkedEarth. See this page for more information
Timeseries Data
| Metadata | Essential (E)/Recommended (R)/Desired (D) | Comments |
|---|---|---|
| Raw data | Raw measurements reported against depth in the archive | |
| Monthly interpolated data | measured variables (e.g., D18O, D13C, Sr/Ca) and/or inferred variables (e.g., Sea Surface Temperature) reported against the monthly age model |
For MARPA archives, should the position where the measurements was taken on the archive (i.e. depth) be:
You are not entitled to vote.
You are not entitled to view results of this poll.
You are not entitled to view results of this poll.
There were 5 votes since the poll was created on 22:34, 31 March 2017.
poll-id 4031EF5F1002309E2C8C0506C001E912
For MARPA archives, should the raw measurements (e.g., d18O, Sr/Ca,...) be:
You are not entitled to vote.
You are not entitled to view results of this poll.
You are not entitled to view results of this poll.
There were 5 votes since the poll was created on 22:34, 31 March 2017.
poll-id 57FD6ED4F56F43510D303CB3ECE3D321
For MARPA archives, should the interpolated chronology be:
You are not entitled to vote.
You are not entitled to view results of this poll.
You are not entitled to view results of this poll.
There were 5 votes since the poll was created on 22:34, 31 March 2017.
poll-id 97433E475D47EC838D4BDFDADE5A25B8
Measurement Metadata
Instrumental Section
In the LinkedEarth ontology, this refers to the Instrument.
| Metadata | Essential (E)/ Recommended (R)/ Desired (D) | Comments |
|---|---|---|
| Instrument Type | We created an ontology for the various types of instruments. It's set as the category for the page ( example). | |
| Instrument Name | e.g., Micromass Optima gas-source-triple-collector | |
| Method | Name of the method or paper published about it. In the LinkedEarth framework, the method is described at the variable rather than the instrument level. This allows for multiple methods used on the same instrument since the method is related to the measurements rather than the tools. | |
| Notes | Additional information | |
| Institution | Name of the Laboratory that ran the samples. In LinkedEarth, this is achieved through the property housedAt which links to a traditional wiki page. Information about the laboratory can be entered on this new page for general information | |
| Creator | In LinkedEarth, the contributors of the datasets are acknowledged of the datasets and should include the authors on the publication as well as anyone who has contributed to producing the data (e.g. lab managers and technicians not included in the publication). | |
| contact info | contact email for the person in charge of the data. Contact information on the LinkedEarth database are set on the user profiles. Each user can choose which information to share with other LinkedEarth member. Visitors to the site (i.e., person not logged in) do not have access to profiles' information. |
Should information about the instrument used to generate data from MARPA archives be:
You are not entitled to vote.
You are not entitled to view results of this poll.
You are not entitled to view results of this poll.
There were 5 votes since the poll was created on 23:11, 31 March 2017.
poll-id 3FDE98A714384CD51BF044C4951826A3
Should the type of instrument used to generate data from MARPA archives be:
You are not entitled to vote.
You are not entitled to view results of this poll.
You are not entitled to view results of this poll.
There were 5 votes since the poll was created on 23:11, 31 March 2017.
poll-id E485B580A9C07DA56BAE40404A421102
Should the location of the instrument used to generate data from MARPA archives be:
You are not entitled to vote.
You are not entitled to view results of this poll.
You are not entitled to view results of this poll.
There were 5 votes since the poll was created on 23:11, 31 March 2017.
poll-id B2174302AD78A999FF47C2A6930B0F39
Should the method (if standard) used to generate data from MARPA archives be:
You are not entitled to vote.
You are not entitled to view results of this poll.
You are not entitled to view results of this poll.
There were 5 votes since the poll was created on 23:13, 31 March 2017.
poll-id F8D60CFA75FB37589DBEC95BDA7056B8
Should the method (if new) used to generate data from MARPA archives be:
You are not entitled to vote.
You are not entitled to view results of this poll.
You are not entitled to view results of this poll.
There were 5 votes since the poll was created on 23:13, 31 March 2017.
poll-id 145D941B29FE0D4D7DFC71EED693C096
Uncertainty
Discussion in the Uncertainty working group
Chronology
MARPA recommends to archive the methodology used to develop chronological information. Further discussion should be done in the chronology working group page.
Climate Interpretation
For more information about climate interpretation in LinkedEarth (and LiPD), see this page.
| Metadata | Essential(E)/Recommended(R)/Desired(D) | Comments |
|---|---|---|
| name | R | |
| detail | R | |
| basis | D | A reference that serves as the basis for interpretation |
| Sign of the relation | R |
For MARPA archives, should the ClimateInterpretation be:
You are not entitled to vote.
You are not entitled to view results of this poll.
You are not entitled to view results of this poll.
There were 5 votes since the poll was created on 23:26, 31 March 2017.
poll-id 887E09FC5E2E1313538732A03ABACCD2
Polls
For coral archives, should the x-ray pictures be included with the data?
You are not entitled to vote.
You are not entitled to view results of this poll.
You are not entitled to view results of this poll.
There were 5 votes since the poll was created on 17:16, 14 March 2017.
poll-id F3A482FD0BFCD0804BD8B50913B5D24E
References
This category currently contains no pages or media.
