What's new at the Ridge 2000 Data Portal

June 2008

Bouguer Anomaly grids and images for the Mid-Atlantic Ridge were contributed by Donna Blackman (MAR:30N_Blackman).

Metadata for deployed instruments for the Lucky Strike area on the Mid-Atlantic Ridge were contributed by Javier Escartin (MAR:LuckyStrike_MoMAR).

May 2008

The Ridge2000 Web Gallery in the Marine Geoscience Data System MediaBank was launched.

April 2008

For the VNTR03WT cruise (Nov 1989, Chief Scientist Haymon) to the EPR:9N area, dredge stations and rock samples information now available. Deeply-towed Argo camera images and CTD data can also be downloaded.

March 2008

Bathymetry and gravity grids and images for the Mid-Atlantic Ridge were contributed by Donna Blackman (MAR:30N_Blackman).

February 2008

For the Lau site, fluid chemistry data derived from ship-based CTD casts and IGT and Major fluid samples collected with Jason during TUIM05MV (Chief Scientist: Meg Tivey) were contributed by Mike Mottl.

For the EPR, ISEA probe fluid chemistry data from AT11-10, AT11-26, and AT15-06 were contributed by George Luther.

For the Lau site, final processed ABE SM2000 bathymetry maps, grids and data points from KM0417 (Chief Scientist: Charlie Langmuir) were contributed by Dana Yoerger and are now available.

For the JdF site, raw and processed CTD data from AT11-14 (Chief Scientist: Russ McDuff), AT11-31 (Chief Scientist: Marv Lilley), AT15-09 (Chief Scientist: Deb Kelley) were contributed by Jonathan Kellogg.

For the EPR site, basic cruise data for AT15-27 (Chief Scientist: Karen Von Damm) is now available.

Preliminary 1-m SM2000 bathymetric grids from EPR benchmark surveys generated from the EPR ISS Infrastructure Dive (J2-268; AT15-17) are now available.

GeoMapApp version 1.6.4 was released. Pan function added; ability to import and save grids in GMT v3 and v4 NetCDF formats. Profiles can be taken across all imported and high-resolution grids. Interface for Multi-Channel Seismics and for downloading swath ping files improved.

January 2008

Navigation files for ROV Tiburon dives conducted at JdF Axial Ridge Volcano during WF2983 (Sep 2004, Chief Scientists Gill and Stakes) are now available.

For the JdF site, raw and processed EM300 multibeam data is now available from TN177B (Mar 2005, Chief Scientists Cowen and Baker). Raw and processed CTD and MAPR data are also available.

For the EPR site, basic cruise data for AT15-26 (Chief Scientist: Lauren Mullineaux) including Atlantis navigation, raw and processed ADCP, and swath bathymetry files as well as processed Alvin navigation and sonar data are now available.

Final ultra-high resolution bathymetric data and grids for six vent fields at the Lau site were contributed by Vicki Ferrini (TUIM05MV, Chief Scientist: Meg Tivey).

Renav positions were added for instruments deployed at the Lau site during MGLN07MV (Chief Scientist: Chuck Fisher).

December 2007

For the JdF site, ABE vehicle data (eH,Temperature, Optical Backscatter, Magnetics, and Navigation) are now available from AT11-14 (Chief Scientist: Russ McDuff).

November 2007

Photo mosaics from AT11-10 at the EPR were submitted by Tim Shank.

Revised photo mosaics from Lucky Strike (KN145-19) were submitted by Javier Escartin. Basic cruise metadata and bathymetric grids have also been added for this cruise.

CTD and MAPR data made available by Baker/Resing for Lau Basin cruise KM0410 (Chief Scientist: Fernando Martinez).

October 2007

For Lau Basin cruise MGLN07MV (Chief Scientist: ChuckFisher), Jason II photo mosaics were added.

For the JdF site, additional information from McDuff's Portal for Endeavour Data (PED) now available: EM300 swath data, CTD sattions and data for TN144 (April 2002, Chief Scientist: Russ McDuff) and TN146 (May 2002, Chief Scientist: Deb Kelley). Basic cruise entry for AT07-20 (August 2002, Chief Scientist: Paul Johnson). Cruise report documents added for TN117 and TN129 (Chief Scientist: Paul Johnson).

GeoMapApp version 1.6.2 released. Includes improved interfaces for multi- and single-channel seismics and digitizer operations. Graphing tool for imported data tables refined. Lasso tool improved. John Hall's archive of Arctic sea bottom photos added. Multibeam swath file download interface updated.

MGDS-GfG booth in the exhibition hall, and lunchtime workshop at the Fall GSA meeting in Denver.

September 2007

The interface for Create Maps and Grids now uses Google Maps (TM) functionality to access the MGDS Global Multi-Resolutional digital elevation model Topography (GMRT).

August 2007

Compilation GoogleEarth files for Lau and EPR ISSs have been generated and posted R2K_GoogleEarth. Files include bathymetry and sidescan coverage with overlain vehicle navigation tracks and links to near bottom imagery.

Contributed by Milene Cormier, composite grids and images of bathymetry, gravity, crustal age, and magnetisation added for areas along the EPR at the 17S MELT area and between 18-22S and 15-21N. Basic cruise information and bathymetry data for the 1999 EPR STOWA expedition between 17-19S (AT03-31, Chief Scientist John Sinton) also made available.

Basic cruise information for KN189-04 (June-July 2007, Chief Scientist Dick Hey) to the Reykjanes Ridge is now available. For the Gakkel Ridge AMORE cruise, HLY-01-02, on USCG Healy (2001, Chief Scientist Peter Michael), now available are bathymetry grids and images and information on CTD, dredge, and rock core stations.

New audio-visual tutorials added for GeoMapApp.

July 2007

At the Lau site, EM120 sidescan grid from cruise KM0410 (April-May 2004, Chief Scientist: Fernando Martinez) is now available.

For the EPR study site, information on AT15-13 (November-December 2006, Chief Scientist: Karen VonDamm) rock, bio and fluid samples, transponder operations, TowCam lines information, and details of deployments of temperature and resisitvity probes, colonisation substrates and markers is all now available.

In the JdF site for cruise TN177B (March 2005, Chief Scientists - Cowen/Baker), TowCam MAPR data, and towed and lowered raw/processed CTD data and documentation added.

GeoMapApp version 1.6.0 released. Alternative base maps loaded using a Web Map Service; imported data tables exported as Google Earth (tm) KMZ files and scaled by colour and size. Lasso tool allows selection of points; tabular data can be sorted. Individual swath bathymetry data files now identified and linked to data download web page. Multi-Channel Seismics, PetDB and DSDP/ODP interfaces improved.

June 2007

General cruise, sampling, Jason2 launch information, and data from cruise AT15-17 in April-May 2007 (Chief Scientist - Emily Klein) now available. Cruise operations primarily focussed on the 9°03'N Overlapping Spreading Center but also included sonar surveys of the EPR ISS bull's eye region.

The MGDS Global Multi-Resolutional digital elevation model Topgraphy (GMRT) as used in GeoMapApp can now be viewed in Google (tm) Earth directly through our Web Map Service with faster loading and viewing performance. Download GMRT.kmz and launch in GoogleEarth to explore.

Vent Image Bank (VIBE) meeting at LDEO with Eric Simms.

May 2007

International Data Exchange Workshop held in Kiel, Germany, attended by over 70 participants from around the world.Workshop was focused on developing new partnerships and strategies for improved data sharing for mid-ocean ridge and continental margin studies internationally. Workshop co-sponsored by Ridge2000, MARGINS, InterMargins, and InterRidge. For more information see meeting website at http://www.nsf-margins.org/Datawkshp07/.

New color palettes for grid functions and improved user interface added to latest GeoMapApp release.

April 2007

For the EPR site: Dredge information added for Forsyth KN182-13 cruise. Full cruise metadata entered for AT15-15 (Lutz/Shank) on bottom instruments, OBS recoveries, rock, fluid, biology dive samples, CTD casts and digital data. For the AT15-15 TowCam lines, links now available for raw and processed images, WebGallery images, CTD and magnetometer data.

A searchable menu tool and an upgraded and expanded WFS interface added to GeoMapApp. Direct WFS connections now available to station and physical sample feature information (including instruments, cores, dredges, borehole logs, earthquake catalogues, and so on) at IRIS, UNAVCO, NGDC, LDEO-BRG and MGDS.

March 2007

For the EPR site: Database entry created for AT15-16 Compliance cruise (Cormier/Webb) with information on dredge, CTD and bottom instrument stations, and on TowYo fluid samples.

February 2007

Lau Basin Site: Cruise report, Jason-II rock, fluid, and biology dive sample information for Chuck Fisher cruise MGLN07MV. Raw multibeam files for Fernando Martinez KM0410 cruise ingested.

For the EPR site: Towcam photography, magnetics, CTD and navigation data from Dan Fornari and Adam Soule acquired during Karen Von Damm’s Nov-Dec 2006 cruise AT15-13 now available. Lowered CTD fluid samples, Alvin CTD data, and fluid, rock, biology Alvin dive samples added for Andreas Thurnherr LADDER-1 cruise AT15-12. For Jim Ledwell's follow-on LADDER-2 cruise (AT15-14), CTD station information, biology, rock, fluid Alvin dive samples, and bottom instruments operations added.

Major new release of GeoMapApp (1.5.0) with simplifications and updates to the user interface. Options to import a variety of data types from the user's desktop including data tables, grids, and shapefiles can now be accessed under the File menu. Release includes a new option under the File menu to import data through an OGC-compliant Web Feature Service (WFS). Click on the Web Services link under our Tools and Services menu to access the beta-WFS. At present the beta-WFS serves station information for the MARGINS Gulf of California Focus Site. Similar station information for the R2K ISS will be added in the coming months.

January 2007

For the Endeavour site: Rock sample locations from Jim Gill and Deb Glickson from their 2004 NURP funded program WF2983. Basic cruise information, as well as sample and bottom instrument information for summer cruise AT15-09 (Deb Kelley).

For the Lau Basin site: DSL-120A and IMI-30 bathmetry and side-scan sonar grids and images from cruise KM0410 (Fernando Martinez) now available.

For the EPR site: Tide gauge data retreived on Shank/Lutz/Luther cruise AT15-15 available.Tide gauge was deployed in April 2006 during Knorr cruise KN182-13. Final processed Alvin navigation and Imagenex bathymetry data available for all post-eruption Alvin programs to the site in 2006 (AT15-06-Von Damm, AT15-12-Thurnherr, AT15-13-Von Damm, AT15-14-Ledwell). Basic cruise information, instrument and mooring deployments, sample info and cruise report for September cruise AT15-12 (LADDER-1, Thurnherr) now in database. Andreas Thurnherr has also made available processed CTD, LADCP, and BM_ADCP data files from this cruise.

New data from the Mid-Atlantic Ridge: Rob Reves-Sohn has submitted Jason 2 SM2000 ultra-high resolution bathymetry grids for the TAG region collected on cruise KN180-01. Also from the TAG region, DSL 120 sidescan sonar and bathymetry data collected in 1994 during KN142-05 (Kleinrock) submitted by Del Bohnenstiehl.

December 2006

Interoperability project GEOWS with IRIS and UNAVCO presented at fall AGU meeting. As part of project IRIS, UNAVCO and MGDS have established a beta-version OGC-compliant Web Service for station information from their data holdings for the MARGINS Gulf of California Focus Site. In the coming year, station information for the Ridge2000 ISS will also be made available via a Web Feature Service.

MGDS booth in the exhibition hall at the Fall AGU meeting in San Francisco.

November 2006

For EPR site, final pre-eruption composite ultra-high resolution bathymetry grids from Vicki Ferrini now available (EPR_9N_Ferrini). Bathymetry were acquired with the Imagenex scanning sonar on Alvin during dives in 2004.

New data available for the Mid Atlantic Ridge:

Photomosaics from Lucky Strike region submitted by J. Escartin and now in database with password protection (cruise KN145-19).

Multibeam bathymetry data from MAR cruise KN176-04 to TAG area submitted by P. Canales now available.

October 2006

For EPR 9N site, high temperature HOBO probe data and references received from D. Fornari were combined into entry EPR:9N_HiTemp. Also, expanded options provided for viewing tables and images of deployed instruments. Tim Shank's biological samples incorporated for EPR cruise AT15-06 .

A basic cruise entry for TN199 (Butterfield) was created from Sailing Orders received directly from University of Washington Marine Operations office.

For the JdF site, information from McDuff's Portal for Endeavour Data (PED) transferred to Ridge 2000 database. Now available are the following. Basic cruise entries for AT03-24 and AT03-38 (Fisher), AT03-53 and AT03-56 (Delaney/Tivey), TN114 (Jackson/Rona), TN115 (McDuff), TN117 and TN129 (Johnson). Included are science personnel, Alvin/ABE/Jason II dive information, references, cruise reports, biological samples information, thermal blanket stations, CTD stations and data. Also derived from PED, cruise reports added to basic entries for cruises W9506A and W9508A (Wilcock/Purdy), TN063 (Delaney), A131-16 (Embley/Trefy).

September 2006

Raw and edited multibeam bathymetry data for Atlantis cruises AT03-53 and AT03-56 (Delaney/Kelley) to the JdF Endeavour segment in 2000 now available.

Simrad EM300 multibeam swath data for EPR 9N site collected during November 2005 cruise TN188 added (contributed by White, Haymon et al).

For Lau Basin cruise TUIM05MV (Tivey), ship track navigation and gravity/magnetics data files now downloadable.

Gravity/magnetics data files available for EPR leg DANA06RR (Constable/Key).

Basic cruise entry created for JdF NURP 2004 cruise WF2983 (Gill/Stakes).

August 2006

Earthquake catalog for 2003-2005 from Tolstoy OBS study at EPR site added to database (EPR:9N_Tolstoy) with password access.

Password protection option for accessing data within the database is now available. Data contributors can request this option when they contribute data.

July 2006

Cruise information and data for June 2006 Atlantis/Alvin response cruise (AT15-06, Karen VonDamm) now available. Cruise was launched as a rapid response program to further investigate the new eruption at the 9°50 site and obtain rock, biology, and fluid samples. Available data include TowCam photographic transects, CTD data, magnetics and sampling information.

EM300 multibeam bathymetry grids for the EPR 9N site collected during cruise TN188 (November 2005) now available. Data contributed by White, Haymon et al.

Also, JdF area gravity grids contributed by Emily Hooft made available.

Major new release of GeoMapApp v1.4.2, which includes significant reorganization of the user interface as well as improved functionality. See http://www.marine-geo.org/geomapapp/whatsnew.html for details on new updates.

June 2006

Cruise information and TowCam photographic data for May 2006 New Horizon cruise to the EPR site (TCS06NH, Jim Cowen) now available. Cruise was launched as a Time Critical Studies program to investigate the new eruption at the 9°50 site identified during the OBS recovery program in May.

Bathymetric grid and image for the Lau Basin contributed by Fernando Martinez and Brian Taylor now available through Data Link. Compilation includes data from 2004-2005 Lau Basin R2K cruises, as well as foreign and previous US expeditions.

MAPR data added (proprietary hold), and Tolstoy/Waldhauser OBS operations updated for cruise KN182-13 (Forsyth) to EPR 9N region.

May 2006

Basic information for KN182-13 (Don Forsyth) cruise in April 2006 to the EPR site along with OBS recovery information (Tolstoy/Waldhauser) now available. Basic information for cruise TN188 (White, Haymon) added and EM300 bathymetric grid downloadable.

Various legacy gridded datasets added to the database including magnetization (Carbotte), gravity, and crustal thickness (Canales) for the EPR 9N site.

For the JdF ISS, CTD data from Cowen's TN177B cruise added.

Beta release of multi-resolution gridded global bathymetry and topography data set for viewing in GoogleEarth (http://www.marine-geo.org/Data4GoogleEarth.html). Download kml file, launch GoogleEarth and browse and zoom on the available seafloor bathymetry.

April 2006

For EPR 9N area, ISEA/Insect fluid samples information for AT11-26 (Luther) added. Hi-resolution (0.5m) composite bathymetric grids and images from Alvin EPR 9N Imagenex surveys now available (contributed by Ferrini). Updated list of 9N vent locations now available (Ferrini).

Mosaic information for Lau cruise TUIM07MV (Fisher) added and Lau vents image created.

March 2006

Information on biological, fluid, and rock samples collected on EPR cruise AT11-26 (Vetriani) is now available.

Processed seismic data for Lau Basin cruise EW9914 now available via link to UTIG Data Center.

New search capability now available in Data Link. In addition to the ability to search by geographic area, ISS, investigator and cruise ID, you can now search by the full list of data types or device types cataloged in the database. Use these search options to find out where the selected data type has been collected and to download any data files available in the database.

Many new data sets now available for exploring through the Databases menu in GeoMapApp. Select Import Data – Load – File – Browse DataBases – Global.

February 2006

Many new Help pages added to GeoMapApp.

Cruise information for Endeavour cruise TN183 (Delaney) in October 2005 now available. This was a Jason2 program during which fluid samples were collected, Butterfield’s RAS fluid samplers were recovered, and drill cores were taken from chimney structures.

TowCam photography transects for EPR cruise AT11-07 (Schouten), Lau cruise KM0417 (Langmuir) and Endeavour cruise TN177B (Cowen) are now available.

January 2006

Multibeam bathymetry data and ship track navigation is available for Lau Basin cruise KM0417 (Langmuir). Dredge and rock core sample information now available as well as ABE dive navigation for this cruise.

MAPR data files for Lau Basin cruise, KM0410 (Martinez) added on proprietary hold.

More information added for Lau cruise TUIM05MV (Tivey) including Jason2 biological, rock and fluid dive samples, CTD stations and TowYos and links to Jason2 Virtual Van at WHOI.

GeoMapApp v1.3.0 released with automatic focus as well as new features in the Import Data option on the Databases menu. Caution: after you load a grid in GeoMapApp the automatic focus will also automatically load a new grid each time you zoom and pan. Dispose of grid before zooming for best performance.

December 2005

Booth in Exhibition Hall at Fall AGU meeting features the Data Management System.

Layers Tool in GeoMapApp now includes folders for each ISS with select site specific data sets (map and station data) included. As new map data are submitted they will be included in these folders.

Basic cruise information for Lau Basin cruise TUIM05MV (Tivey) added including MOCNESS biological sample tows.

November 2005

Cruise information, including CTD locations and ABE dives, for Endeavour Sea Breeze cruise AT11-14 (Russ McDuff) incorporated into database.

Alvin navigation for Atlantis cruise AT11-26 (Vetriani) to EPR ISS now available.

Updated metadata forms package (version 3.5) now available incorporating latest upgrades.

October 2005

New option in GeoMapApp to save images as “.kmz” files for viewing in GoogleEarth. With this option,  use GeoMapApp to dynamically generate a map of area of interest, save image as .kmz file to your desktop and then open with GoogleEarth.

Hydrothermal vent locations for Lau Basin ISS provided by Chuck Fisher and Meg Tivey now available.

Cruise information for Lau Basin cruise TUIM07MV (Chuck Fisher, June 2005) available. Information is included on deployed markers and thermister arrays, fluid and biology samples, and Jason 2 survey tracks.

Cruise information for Endeavour TCS cruise TN177B available.

A number of new features are now available within the Map View display when you search for data in Data Link;

1. Locations of all bottom stations and samples at ISS are now plotted in Map View. Sample locations only appear when zooming in to ISS.

2. Beta version of new option in Map View to view global bathymetry (Global DEM option). Users can zoom in to display higher resolution bathymetry. Beta version has problem with map display at +/-180°longitude which affects maps for Lau Basin region. 

3. Query function (under “Mode” button) now available within Map View link to further information on cruise/dive survey tracks or station information.

An ISO 19115-compliant profile for cruise metadata has been developed for use as a REST-based web service.

August 2005

Metadata and station location information have been put into the database for the Ridge2000 funded cruise KM0417 (Langmuir, Lau basin).

Information on OBS deployments (Tolstoy/Waldhauser) now available from cruise AT11-26 (Vetriani, East Pacific Rise). Basic cruise information available for TN177B (Cowen, Time-Series Responses to a Mid-Ocean Ridge Volcanic Event, Endeavour ridge).

July 2005

A new version of GeoMapApp (1.2_08) includes access to Alvin dive photos and a prototype GIS layer interface.  An interface to DSDP data has also been added.

Deployed Web-based "Map View" tool to display cruise/dive tracks and borders/coastlines on world basemap with pan/zoom capability, based on open-source MapServer GIS software.

June 2005

Permanent transponders at EPR site no longer deployed. Two on western flank lost between December 2004  and May 2005. Two on eastern flank were recovered.

Deployed Instrument Tables: For each ISS, for each year, an information table has been created.  Access these tables in GeoMapApp from Database -> Import Data -> Load -> File -> Available Databases.

April 2005

New forms for reporting cruise information are now available for downloading. Forms should be completed and submitted to the R2K database for any program within the R2K Integrated Studies Sites. These forms are designed to capture who, what, when, where for a cruise as well as inventories of all data collected, line logs, deployed instrument information, station and sample logs.

Seismometers deployed as part of the Keck funded experiment, and fluxmeters deployed as part of the McDuff-Thompson Seabreeze program, at the Endeavour site are now available through the Currently Deployed Instruments link. Locations for dead transponders still on the seafloor at the Endeavour site also available (provided by Deb Glickson/Deb Kelley).

March 2005

Individual Alvin dives now linked to the WHOI Framegrabber providing access to video stills for a dive.

Vent locations for the Endeavour site including individual chimney locations are now available. Locations were provided by Deb Kelley and Deb Glickson at UW.

February 2005

Imagenex bathymetry collected with Alvin during programs in 2004 at the Endeavour (AT11-13) and EPR (AT11-07, AT11-10, AT11-20) sites now available. Bathymetry data for individual dives are merged with final best navigation and are gridded in both lat-long and x-y coordinates. Final best navigation for each dive also available.

Updated and corrected vent locations for the EPR ISS provided by Tim Shank.

January 2005

Cruise information and data inventories for Lilley/Edwards cruise (AT11-20) now available including positions of biological, fluid and rock samples taken, instruments deployed, and bacteria collection plates sampled.

December 2004

New web site launched providing simplified access to all projects and tools of the mgDMS.

Booth for data management system within Exhibition Hall at Fall AGU. Article on the DMS published in December 21 issue of EOS.

September 2004

Cruise information and data inventories for cruises of Schouten (AT11-07), Constable (DANA06RR), Lutz/Shank (AT11-10), Martinez (KM0410) now online and accessible through Data Link.

Alvin dive navigation now available through Data Link for cruises AT11-07 and AT11-10.

Data Link cruise pages now linked to PI project web sites and instrument web pages where available.

Release of GeoMapApp 1.2 with several new features. Data sources for topography data in map view now dynamically displayed including acknowledgement of nation of origin. New "Import Data" option available. Option permits users to import their own ASCII data tables and display on bathymetry data, including color coding and symbol scaling based on data values.

July 2004

Cruise metadata for Von Damm cruise AT11-09 now in Data Link. Temperature data from deployed probes which were serviced on this cruise are now available.

Inventory of deployed instruments at EPR ISS now online as well as vent locations and markers.

Links to PetDB now established for common cruises.

Reorganization of the web pages for the Ridge2000 and Margins Data Portals, the Ridge Multibeam Bathymetry Synthesis, Antarctic Multibeam Bathymetry Synthesis, and Seismic Field Data Center into a central site for all projects of the MarineGeoDMS (www.marine-geo.org).

Data Management System Oversight Committee Meeting July 19-20.

RODES Teacher's Workshop July 22-24.

May-June 2004

Cruise information submitted by Von Damm and Lutz/Shank for their spring 2004 cruises (AT11-09, AT11-10) to the EPR 9N ISS, and Martinez for Lau Basin ISS cruise (KM0410).

April 2004

Ultra-high resolution ABE bathymetry data from the EPR 9N ISS contributed by D. Fornari and colleagues and now available. Bathymetry can be viewed in GeoMapApp by selecting High_Res_Grids under the Places menu.

Data and cruise information for first Ridge2000 expedition (February 2004, DANA06RR) submitted by S. Constable.

Cruise information submitted for expedition of Schouten and colleagues to EPR 9N ISS in January 2004 (AT11-07).

March 2004

Release of beta version of metadata forms for capturing basic cruise information and data inventories. Forms distributed to PIs of upcoming Ridge2000 expeditions.

Multibeam bathymetry data available for all three ISS including gridded bathymetry for the Lau Basin from Zelmer, Goodliffe and colleagues.

New options for custom coloring topography data added in GeoMapApp. Options also available for creating a three-dimensional perspective view of topography.

January 2004

All bathymetry data from original Ridge Multibeam Bathymetry Synthesis site now fully integrated with MarineGeoDMS and web pages moved to data.ridge2000.org/bathy.

December 2003

Beta web site for the Ridge2000 Data Portal now online (data.ridge2000.org).

September 2003

Project work begins with development of database schema and building of metadata forms.