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}NASA Earthdata CMR2019 · Image data
Collaborative Research: Uncovering the Ross Ocean and Ice Shelf Environment and Tectonic setting Through Aerogeophysical Surveys and Modeling (ROSETTA-ICE)The Ross Ice Shelf is the largest existing ice shelf in Antarctica, and is currently stabilizing significant portions of the land ice atop the Antarctic continent. An ice shelf begins where the land ice goes afloat on the ocean, and as such, the Ross Ice Shelf interacts with the ocean and seafloor below, and the land ice behind. Currently, the Ross Ice Shelf slows down, or buttresses, the fast flo
NASA Earthdata CMR2004 · collection
Antarctic Aerogeophysics DataThe data that the Support Office for Aerogeophysical Research (SOAR) provides include various aerogeophysical measurements taken in the West Antarctic Ice Shelf (WAIS) from 1994 to 2001. The instruments used in experiments include ice-penetrating radar, laser altimetry and magnetics, and an integrated aerogeophysical platform that includes airborne gravity with carrier-phase GPS to support kinemat
NASA Earthdata CMRcollection
Middle oceanic channels and fracture zones: mutual interaction. RecentIn English: The main activity done by the project was the Vidal 97 campaign. The campaign aim was to study the middle-oceanic channel geological development from its final zone, where there is an interaction with the Barracuda fracture zone, to its distal foothills in the Amazon turbidite system, the definition of its main tributaries, as well as its possible relation with the distal Orinoco turbi
NASA Earthdata CMRcollection
Airborne Magnetic Survey Data in Antarctica by JAREThe digital data which can be supplied are total intensity raw data, and not reduced to magnetic anomaly data. However, the user can analyze the data by him/herself with the Data Reports. The data processing is still being made at NIPR.
NASA Earthdata CMRcollection
Geomagnetic surveyAs of the 47th JARE (2005), we have accumulated a total of 1,757 geomagnetic observation data items excluding aeromagnetic survey information on geographical positions by virtue of research on exposed rocks and inland research.
NASA Earthdata CMRcollection
Tectonics and Sedimentation in the arc of South Shetland Islands and Shackleton fracture area.In English: A total of 3560 km of multichannel seismic profiles were done, complemented with magnetometric profiles and multibeam probes along the lines. All the profiles were positioned by GPS, with an almost total daily coverage. For seismic multichannel surveying, a 6-airgun tuned BOLT string, a 96-channel TELEDYNE analog streamer hydrophone; DFS V register of Texas Instruments, with 2 m of gap
NASA Earthdata CMRcollection
Geologic and Geophysical exploration of the Eastern end of the South Shetland Islands. Study of a triple convergence areaIn English: - Study of the geophysical, tectonic, paleoceanographic, paleoclimatic factors and eustatic oscillation which have led to the evolution of the area. - Setting of general models based on the analysis of the identification of local and global parameters which have controlled the aforementioned evolution. En Espanol: - Estudio de los factores geofisicos, tectonicos paleoceanograficos, pal
NASA Earthdata CMRcollection
Geomagnetic Observations at MIZUSAWA, ESASHI, and KANOZANThe results of the continuous geomagnetic observations at MIZUSAWA, ESASHI, and KANOZAN in 1997 were reported. This data sets include hourly, daily and monthly mean values of threegeomagnetic components and total force.
NASA Earthdata CMRcollection
Volcanology, seismicity, magnetism and geodynamic at South Shetland Islands: geophysical network for volcanic activity monitoring at Deception IslandIn English: The present project is focused in: The detection of volcano magnetic signals in order to monitor the volcanic activity of Deception I. Besides this, the register of total intensity of magnetic field can allow us to define the trend of secular variation in the area. A magnetic network, composed by three proton magnetometers will be deployed. One of the magnetic stations will be sited in
NASA Earthdata CMRcollection
Geophysics and Marine Geology of the Northern Portion of the Antarctic PeninsulaIn English: Multichannel and single channel seismic reflection, high resolution seismic, sononbuoys, multibeam soundings, gravimetric and magnetic profiles were made. The object of the investigation was an integrated study of the margins and basins of the northern Antarctic Peninsula and its prolongation toward the East, between the Weddell and Scotia Seas. In this expedition, work was done in the
NASA Earthdata CMRcollection
Deep structure, continental margins nature and evolution of oceanic gateways in the NE border of the Antarctic Peninsula (Eastern Bransfield and Drake Passage, AntarcticaEn Español: El proyecto PASOC (campaña DRAKE2008) se desarrolla en el marco del Año Polar Internacional 2007-09 y se integra dentro del proyecto Plates and Gates. Esta iniciativa pretende establecer la relación entre paleoceanografía y cambio climático, por lo que el conocimiento de la apertura del paso de Drake resulta esencial para caracterizar la instauración del sistema de corrientes oceánicas
NASA Earthdata CMRcollection
Nathaniel B. Palmer 0209 - underway geophysical dataThis data set contains underway geophysical data collected on a transit cruise between Lyttelton, New Zealand and McMurdo Base, Antarctic during December of 2002. We collected gravity data using a shipboard Lacoste-Romberg gravimeter, magnetic field data, a proton precession magnetometer towed behind the ship, swath bathymetry with a Simrad EM120 multibeam system, centerbeam depth (bathymetry bene
NASA Earthdata CMRcollection
Geodynamics and Paleoceanography of continental margins and basins: Northern Antarctic Peninsula.In English: The SCAN 97 oceanographic cruise focused in the analysis of the northern Antarctic Peninsula and the areas implicated in the boundary between the Antarctic, Scotia and Phoenix plates. The thematic objectives comprise a tectonic and paleoceanographic study of selected segments of active and passive continental margins, major strike-slip faults with contrasting tectonic regime and associ
NASA Earthdata CMRcollection
Antarctic solar terrestrial and geophysical studies from geomagnetic and GPS dataIn English: This dataset contains information on monitoring the geomagnetic field. The aim of this and the previous campaign is a qualitative jump in the magnetic observatory operation as it receives hourly data transmissions from Meteosat satellite which is registered by the station in Edinburgh, the central office of magnetic data collection, and then later transmitted to the Ebre Observatory by
NASA Earthdata CMRcollection
Monitoring of volcanic activity: Seismic, Gravimetric, Geomagnetic and Hydrographic monitoring. Deception IslandIn English: The present seismic campaign has carried out the built of a digital short period seismic network along the inside coast of Deception Island (Port Foster) and a wide band station. The main aim is to make a fast location and an energetic quantification of volcanic-tectonic events, long period volcanic events and volcanic tremors that could occur during the first week of December 1999. Th
NASA Earthdata CMRcollection
Aeromagnetic Reconnaissance Survey DataThe Geological Survey of Japan has carried out developments on the exploration and analysis techniques in aeromagnetic survey since 1964, when the research on aeromagnetic exploration was begun on full scale. And since 1969, explorations for various purposes as well as investigations for assessing the deposit of hydrocarbon resources in the continental shelf area surrounding Japan have been carrie
NASA Earthdata CMRcollection
Geomagnetic Observations at First Order Geomagnetic Stations 1949-1997The geomagnetic survey at first order geomagnetic stations in Japan were carried out. There are 105 stations. This data sets include the location of eachstation, date of observations, the observed and reduced values of three geomagnetic components and total force.
NASA Earthdata CMRcollection
Stratigraphic and Sedimentologic Data from the Margins and Basins to the North of the Antarctic PeninsulaIn English This group of data contains the information acquired in the campaign HR053 by the oceanographic vessel Hesperides within the MAGIA project. Reference data was obtained for navigation, positioning, and vessel altitude; bathymetry and morphology of the marine floor; atmospheric, physical, chemical and acoustical parameters of the water column; geophysical parameters and acoustic profiles
NASA Earthdata CMRcollection
Geological evolution of the Pacific margin of Western Antarctica: sea-floor spreading and plate tectonicsIn English: The cruise GEBRAP'96 has been carried out on board RV Hesperides from 03.12.96 to 06.01.97 in the northern Bellinghausen Sea, the Gerlache Strait and Bransfield Basin, Western Antarctica. The scientific task carried out include detailed mapping of the seafloor relief by means of multibeam and single beam echo-sounders, the study of the sedimentary cover at various scales with BPS and h
NASA Earthdata CMRcollection
Geologic and geophysical study of the Scotia Arc: The Southern ridge of the Scotia areaIn English: The objectives of this campaign were: -Transition among different plates and sub-plates; Shetland, Drake, Scotia and Antarctic and their joint points. -Study of the link between the Bransfield spreading centre of and the South Shetlands subduction zone. -Detailed morphostructural analysis of a shear plate boundary and one of the biggest intracrest depressions (Hesp?rides Deep), by mean
NASA Earthdata CMRcollection
BRAVOSEIS-3 magnetometer dataMagnetism data acquired on board the R/V Hespérides with a SeaSPY magnetometer during the BRAVOSEIS-3 cruise.
NASA Earthdata CMRcollection
Nathaniel B. Palmer 0102 - underway geophysical dataThis data set contains underway geophysical data collected on a transit cruise between Cape Town, South Africa, and Punta Arenas, Chile, during April 2001. We collected gravity data using a shipboard Lacoste-Romberg gravimeter, magnetic field data using a proton precession magnetometer towed behind the ship, and centerbeam depth (bathymetry beneath the ship). IGRF2000, calculated for the appropria
NASA Earthdata CMRcollection
Nathaniel B. Palmer 0304 geophysicsThis data set consists of underway geophysical data from cruise 0304 on the Nathaniel B. Palmer. This cruise went from Lyttelton, New Zealand to Dutch Harbor, Alaska, via Honolulu, Hawaii. The data set includes gravity, magnetics, Simrad EM120 swath bathymetry, and ODEC Bathy2000 echo sounder with 100 m subbottom penetration. The main scientific objectives of the cruise were a) to survey outboard
NASA Earthdata CMRcollection
Oceanographical Dynamics and planktonic ecosystem in the eastern area of the Bransfield Straits and adjacent areasIn English: The objectives of this cruise were: - Typification of the circulation and propagation of oscillations in the eastern basin of the Bransfield Strait and adjacent areas. - Typification of the structure and trophic interactions in the planktonic communities of the study area. Relationships between the biological variability and the hydrographical conditions. - Study of the structure and d
NASA Earthdata CMRcollection
Geological and paleoceanographic evolution of the South Atlantic and the adjacent Antarctic marginsIn English: The GEBRA '93 survey was carried out in December 1993 in the waters of Bransfield Strait and adjacent areas, on board B.I.O. Hesperides. Different types of measurements were performed during the survey: swath bathymetric sounding; single-channel seismic reflection, BPS bottom parametric source and magnetic profiling, and gravity coring; and several instruments were moored. In total, an