GGOS Portal Survey

Geodetic Data Availability and Visibility

In your experience, is it easy to find geodetic data and products? *easysometimes difficultdifficultN/A (no answer)

Where would you mainly start to search for geodetic data or products? *Search Engine (e.g. Google)At a known (meta-)data portals (e.g. GEOSS)Directly on a possible data-/product- website (e.g. IAG Service, ESA, NASA, federal agency)I don’t search for itOthers

Do you agree that a central point of access for geodetic data and products is missing to improve discoverability and should be established in the future GGOS-Portal? *strongly agreeagreepartly agreedisagreeN/A (no answer)

GGOS Portal Functionalities - Part 1

What would be a great benefit of a future GGOS-Portal?

Please rate for each of the following statements (agree, partly agree, don't agree, N/A):

Have a central access point for geodetic data and products. *agreepartly agreedon't agreeN/A (no answer)

Get a clear overview of all available geodetic data and products. *agreepartly agreedon't agreeN/A (no answer)

Geodetic data and products become more visible *agreepartly agreedon't agreeN/A (no answer)

The importance of the IAG and Geodesy as a whole becomes more visible *agreepartly agreedon't agreeN/A (no answer)

In your opinion, are there any other benefits? Please specify:

Which geodetic data and products should be accessible via the GGOS-Portal?

Please rate for each of the following statements (needed, desireable, nice to have, not needed, N/A):

In your opinion, should other types of data be available at the GGOS-Portal? Please specify:

What challenges will arise in realizing the GGOS-Portal?

Please rate for each of the following statements (big challenge, challenge, small challenge, no challenge, N/A):

Encouraging data provider to create / maintain metadata (and DOI’s) for their data and products *big challengechallengesmall challengeno challengeN/A (no answer)

Do you have other challenges in mind? Please specify:

What functionalities should the GGOS-Portal offer?

Please rate for each of the following statements (very important, important, nice to have, not needed, N/A):

Show easy-to-understand descriptions of products & observation techniques that suits to selected data sets. *very importantimportantnice to havenot neededN/A (no answer)

Attractive visualization of selected geodetic data and products (e.g. by interactive graphs, charts) *very importantimportantnice to havenot neededN/A (no answer)

Exchangeability: GGOS Portal metadata can also be synchronized / harvested on other portals (e.g. GEOS portal) *very importantimportantnice to havenot neededN/A (no answer)

Do you think the GGOS-Portal should have further important functionalities? Please specify:

GGOS Portal Functionalities - Part 2

Which user groups should be addressed by the GGOS-Portal? *

GeodesistsGeoscientists (beside of geodesists)Stakeholder organizations (e.g. UN-GGIM, GEO, CEOS)General interested societyOthers

How detailed should the metadata descriptions be in the GGOS-Portal? *Very detailed metadata (original provided details)Harmonized metadata (reduced details but better comparability)I do not know / Never mind

Do you have experiences in open source software packages for metadata portals? *YesNo

Which suitable open source package can you recommend for the GGOS Portal?

Your Interaction with Geodetic Data

How do you interact with geodetic data and products? *

USER - I am working with geodetic data or with products derived from geodetic data.PRODUCER - I am producing geodetic data or products. (e.g. Analysis Center, ...)PROVIDER - I am responsible for a Data Center / Repository that provides geodetic data?I don't interact with geodetic data

Usage of Geodetic Data:

Which category best describes what you use geodetic observation data and products for? *

Generating further geodetic productsEarth System analysis (e.g. solid Earth, atmosphere, oceans, hydrosphere, cryosphere, biosphere)Positioning and navigationClimate change analysisDisaster risk reductionManagement of geospatial informationMeasures for sustainable developmentSupport of informed decision-makingOthers

Please specify another category for which you use geodetic data: *

How often are you using geodetic data? *Very oftenOftenFrom time to timeRarely

Provision / Production of Geodetic Data:

Which kind of geodetic data are you producing / providing? *

Geodetic observation dataGeodetic products (derived from geodetic observation data)Other research products derived with geodetic data

Please specify and name all the data which you are producing / providing: *

How often is your data changing or get updates? *

Very often (daily, hourly or more frequent)Often (weekly to monthly updates)Rarely (updated every year or less frequent)Completely static (never get updates)

Metadata:

Metadata is data that provides information about the actual data, but not its content. They usually exist in a common metadata standard (schema) to make them comparable (e.g. Sitelog, GeodesyML, ISO19115, ...) and they are usually accessible via the Internet in a machine-readable format (e.g. XML, JSON), at a (S)FTP or HTTP(S) server or via an standardized interface (API).

Do you provide metadata for your geodetic data/products? *YesNo

Do you plan to create metadata for your geodetic data/products in future? *YesMaybeNoI don't know

If you still have a reliable repository (data center) for your geodetic data/product, are you interested in creating (and maintaining) metadata for them directly in the future GGOS-Portal? *YesMaybeNoI don't know

How do you make your metadata available in the Internet? *

Text on a webpage (HTML content only)In a machine-readable XML/JSON Format (e.g. DOI metadata, GeodesyML)As a file over FTP/HTTP (e.g. Sitelog, *.log, ...)Via a standardized interface or APIOther

Please specify the used standardized interface or API which you are using: *

OAI-PMH interfaceRESTful interface (publicly accessible)OGC web feature service (WFS)Geospatial CSW ServerGeoportal Server (REST API)WEBDAVWAF (Web Accessible Folder) ServerOther

Please specify your methode to make your metadata available in the Internet: *

Please specify your used metadata schema: *

How often do you update your metadata content? *Regularly (updates are in-time)Too rarely (metadata is often not up-to-date)No update necessary

Are you interested in making your metadata available (synchronized) on the future GGOS-Portal? *YesMaybeNo

Please provide web links/descriptions on how to access your metadata: *

Please specify your methode to make your metadata available in the Internet: *

Digital Object Identifier (DOI):

To make geodetic data and products FAIR (Findable, Accessible, Interoperable and Reusable) it is advantageous to assign DOI (Digital Object Identifier) for them. This allows citability and scientific recognition. In addition, due to the machine readable format, DOI's can be easily included into the future GGOS-Portal.

Do your geodetic data/products have DOI's (Digital Object Identifier)? *YesNo

Please insert DOI's of your data or a link where these are listed: *

Are you interested in creating DOIs for your data to make it more discoverable and citable? *YesMaybeNo

Why are you not currently using DOI's for your geospatial data? *I don’t see an advantage for meMy priorities are somewhere elseI am interested but I don’t know how I can do thisI did not know that this is possibleGuidelines for DOI for geodetic data are missingOthers reason

General Questions about You

Your workplace location *

Type of the organization you work for

Please specify your scientific work field *

Are you involved in the IAG (International Association of Geodesy) or its sub-components? *YesNo

Please select your affiliated IAG Commission(s) *

Commission 1 - Reference FramesCommission 2 - Gravity FieldCommission 3 - Earth Rotation and GeodynamicsCommission 4 - Positioning and Applications

Please select your affiliation in Commission 1 *

SC 1.1: Coordination of Space TechniquesSC 1.2: Global Reference FramesSC 1.3: Regional Reference FramesSC 1.4: Interaction of Celestial and Terrestrial Reference FramesCommission 1 - Steering Committee

Please select your affiliation in Commission 2 *

SC 2.1: Land, Marine and Airborne GravimetrySC 2.2: Geoid, Physical Height Systems and Vertical Datum UnificationSC 2.3: Satellite Gravity MissionsSC 2.4: Regional Geoid DeterminationSC 2.5: Satellite AltimetrySC 2.6: Gravity Inversion and Mass Transport in the Earth SystemCommission 2 - Steering Committee

Please select your affiliation in Commission 3 *

SC 3.1: Earth Tides and GeodynamicsSC 3.2: Volcano Geodesy (joint with IAVCEI)SC 3.3: Earth Rotation and Geophysical FluidsSC 3.4: Cryospheric Deformation (joint with IACS)SC 3.5: Seismogeodesy (joint with IASPEI)SC 3.6: Gravity Inversion and Mass Transport in the Earth SystemJoint Study / Working GroupCommission 3 - Steering Committee

Please select your affiliation in Commission 4 *

SC 4.1: Emerging Positioning Technologies and GNSS AugmentationsSC 4.2: Multi-frequency Multi-constellation GNSSSC 4.3: Atmospheric Remote SensingvSC 4.4: GNSS Integrity and Quality ControlJoint Study / Working GroupCommission 4 - Steering Committee

Please select your affiliated ICC (Inter-Commission Committee) *

ICC on TheoryICC for Climate ResearchICC for Marine Geodesy

Please select your affiliation in IAG Project "QuGe" *

WG Q.1: Quantum gravimetry in space and on groundWG Q.2: Laser interferometry for gravity field missionsWG Q.3: Relativistic geodesy with clocks

Are you involved in another Association of the IUGG (International Union of Geodesy and Geophysics)? *YesNo

Please select your IUGG Association *

IACS - Cryospheric SciencesIAGA -Geomagnetism and AeronomyIAHS - Hydrological SciencesIAMAS - Meteorology and Atmospheric SciencesIAPSO - Physical Sciences of the OceansISAPEI - Seismology and Physics of the Earth’s InteriorIAVCEI - Volcanology and Chemistry of the Earth’s Interior

Personal Questions:

Please answer the following optional questions so that we can contact you later on.

Your Name

Your Email Address

Name of your organization where you are employed

Further Comments:

Do you have any other comments?

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