21 datasets

NASA Earthdata CMR + NASA Data Portal2024 · Image data

This dataset contains the Global Mean Sea Level (GMSL) trend generated from the Integrated Multi-Mission Ocean Altimeter Data for Climate Research Version 5.2. The GMSL trend is a 1-dimensional time series of globally averaged Sea Surface Height Anomalies (SSHA) from TOPEX/Poseidon, Jason-1, OSTM/Jason-2, Jason-3, and Sentinel-6A that covers September 1992 to present with a lag of up to 4 months.

NASA Earthdata CMR + NASA Data Portal2023 · Image data

The TOPEX/POSEIDON Geophysical Data Record (GDR) contains global coverage altimeter data. The objective of the TOPEX/POSEIDON mission, launched in August 1992, is to determine ocean topography with a sea surface height measurement precision of 3 cm and a sealevel measurement accuracy of 13 cm. The dataset contains measurements from two altimeters, a NASA dual frequency (Ku and C band) instrument s

NASA Earthdata CMR + NASA Data Portal2022 · Image data

Ocean Surface Current Analyses Real-time (OSCAR) is a global surface current database and NASA funded research project. OSCAR ocean mixed layer velocities are calculated from satellite-sensed sea surface height gradients, ocean vector winds, and sea surface temperature gradients using a simplified physical model for geostrophy, Ekman, and thermal wind dynamics. Daily averaged surface currents are

NASA Earthdata CMR + NASA Data Portal2022 · Image data

Ocean Surface Current Analyses Real-time (OSCAR) is a global surface current database and NASA funded research project. OSCAR ocean mixed layer velocities are calculated from satellite-sensed sea surface height gradients, ocean vector winds, and sea surface temperature gradients using a simplified physical model for geostrophy, Ekman, and thermal wind dynamics. Daily averaged surface currents are

NASA Earthdata CMR + NASA Data Portal2022 · Image data

Ocean Surface Current Analyses Real-time (OSCAR) is a global surface current database and NASA funded research project. OSCAR ocean mixed layer velocities are calculated from satellite-sensed sea surface height gradients, ocean vector winds, and sea surface temperature gradients using a simplified physical model for geostrophy, Ekman, and thermal wind dynamics. Daily averaged surface currents are

NASA Earthdata CMR + NASA Data Portal2019 · Image data

The Global River Radar Altimeter Time Series (GRRATS) 1km/daily interpolations are river heights from ERS-1, ERS-2, TOPEX/Poseidon OSTM/Jason-2 and Envisat that are interpolated and processed to create a continuous heights for the study over the temporal range of the altimeters used. The purpose of these heights are to provide satellite altimetric river height data in a form that is more recogniza

NASA Earthdata CMR2011 · Array · NetCDF

These data are the numer of observations used to generate the AVISO Level 4 Absolute Dynamic Topography for Climate Model Comparison Number of Observations data set (PO.DAAC Drive at https://podaac-tools.jpl.nasa.gov/drive/files/allData/aviso/L4/abs_dynamic_topo ). This data set is not meant to be used alone, but with the absolute dynamic topography data. These data were generated to help support

NASA Earthdata CMR + NASA Data Portal2011 · Image data

This dataset contains absolute dynamic topography (similar to sea level but with respect to the geoid) binned and averaged monthly on 1 degree grids. The coverage is from October 1992 to December 2010. These data were provided by AVISO (French space agency data provider) to support the CMIP5 (Coupled Model Intercomparison Project Phase 5) under the World Climate Research Program (WCRP) and was fir

NASA Earthdata CMR + NASA Data Portal2011 · Array · NetCDF

These data are the standard error calculated from the AVISO Level 4 Absolute Dynamic Topography for Climate Model Comparison Number of Observations data set ( in PO.DAAC Drive at https://podaac-tools.jpl.nasa.gov/drive/files/allData/aviso/L4/abs_dynamic_topo ). This data set is not meant to be used alone, but with the absolute dynamic topography data. These data were generated to help support the

NASA Earthdata CMR2009 · collection

The reconstruction has used monthly-mean tide gauge data from the Permanent Service for Mean Sea Level (PSMSL) database [Woodworth and Player, 2003], together with Empirical Orthogonal Functions (EOFs) from a 12-year TOPEX/Poseidon + Jason-1 satellite altimeter data set to 'reconstruct' a GMSL curve from January 1870 to December 2001.

NASA Earthdata CMR2008 · collection

This dataset is a bathymetric grid of the region 60E to 90E and 48.45S to 70S, created in a geographic coordinate system based on a WGS84 horizontal datum. The grid has a cell size of 0.005 degrees. Most of the work involved creating a bathymetric grid of the region 60E to 90E and 55S to 70S which was generated from the latest available multibeam swath bathymetry, fisheries' surveys and satellite

NASA Earthdata CMR1996 · collection

This data set is a global assimilation analysis of the ocean using a General Circulation Model of the oceans based on the GFDL MOM2 code to study the ocean's role in climate variability. The assimilation algorithm is an extension of Optimum Interpolation. Winds are provided by a monthly COADS analysis. Surface and subsurface temperature updating is carried out using most historical shipboard and s

NASA Earthdata CMR + NASA Data Portal1993 · Image data

The Sensory Data Record (SDR) is similar to the GDR product except that it also contains waveforms, which are required for retracking. This is an expert level product. If you do not need the waveforms then the GDR should suit your needs.

NASA Earthdata CMRArray · NetCDF

Contents: along-track sea surface heights computed with respect to a seven-year mean Use: study of ocean variability (mesoscale circulation, seasonal variation, El Niño...), including operational oceanography (near-real time products) The data are global mono altimeter satellite products, homogeneous with other satellites, available in near-real time and in delayed time in NetCDF format. In delaye

NASA Earthdata CMRArray · NetCDF

Contents: along-track corrected sea surface heights wrt reference ellipsoid Use: stationary or long-term geophysical and ocean phenomenon studies The data are mono altimeter satellite product, with corrections and geophysical parameters. Significant wave heights and backscatter coefficient are also provided. Data available in delayed time in NetCDF format. Two types of products are available: - "R

NASA Earthdata CMRcollection

The oceans play a fundamental role in maintaining a life-sustaining climate on Earth by transporting an enormous amount of heat through their large scale circulation systems. Understanding the role that the ocean circulation plays in climate change is the main goal of the TOPEX/POSEIDON mission, a cooperative project between the United States' National Aeronautics and Space Administration (NASA) a

NASA Earthdata CMRArray · NetCDF

Contents: multimission gridded sea surface heights computed with respect to a seven-year mean Use: study of ocean variability (mesoscale circulation, seasonal variation, El Niño...), including operational oceanography (near-real time products) Gridded data (1/3°x1/3° on a Mercator grid), available in near-real time and in delayed time in NetCDF format. In delayed time, two types of products are av

NASA Earthdata CMRArray · NetCDF

Contents: along-track sea surface heights above geoid; dynamic topography is the sum of sea level anomaly (SLA) and mean dynamic topography (MDT, Rio05 here) Use: study of the general circulation (ocean gyres ...) The data are global mono altimeter satellite products, homogeneous with other satellites, available in near-real time and in delayed time in NetCDF format. In delayed time, two types of

NASA Earthdata CMRcollection

Data set consists of a time series of sea height derived from altimeter measured on the TOPEX/Poseidon satellite. Data from the Joint World Meteorological Organization/Intergovernmental Oceanographic Commission Technical Commision for Oceanography and Marine Meteorology (JCOMM) Products Bulletin Data Products. The organization was formally known as the Integrated Global Ocean Services System (IGOS

NASA Earthdata CMRcollection

Data set consists of a time series of sea height derived from altimeter measured on the TOPEX/Poseidon satellite from the University of Texas at Austin Center for Space Research (UTCSR). Data from the Joint World Meteorological Organization/Intergovernmental Oceanographic Commission Technical Commision for Oceanography and Marine Meteorology (JCOMM) Products Bulletin Data Products. The organizatio

NASA Earthdata CMRArray · NetCDF

Contents: gridded sea surface heights above geoid; dynamic topography is the sum of sea level anomaly (SLA) and mean dynamic topography (MDT, Rio05 here) Use: study of the general circulation (ocean gyres ...) Global gridded data (1/3°x1/3° on a Mercator grid), available in near-real time and in delayed time in NetCDF format. In delayed time, two types of products are available: - "Ref" (Reference