• Multi-decadal Time Series of Vegetation Chlorophyll Fluorescence and Derived Gross Primary Production

    A long term, harmonized time series of Solar Induced Chlorophyll Fluorescence (SIF) is being produced as an Earth System Data Record for the MEaSUREs Program. SIF data offer a more direct way to measure photosynthetic activity in plants globally from space. This project blends together datasets from multiple satellites into a consistent, 25-year record spanning the period 1996-2020.


  • Records of Fused and Assimilated Satellite Carbon dioxide Observations and Fluxes from Multiple Instruments

    Numerous existing sensors measure concentrations of carbon dioxide (CO2) in the atmosphere. Many of these sensors like Orbiting Carbon Observatory-2 (OCO-2), Greenhouse Gases Observing Satellite (GOSAT) and Atmospheric Infrared Sounder (AIRS) provide global scale observations, but these observations are oversampled in some locations and under sampled in others. By contrast, contiguous, global fields fused from multiple instruments would be useful to the scientific community. As part of this effort fused and/or gap-filled Earth System Data Records (ESDRs) of CO2, concentrations are being created by integrating observations from the Atmospheric CO2 Observations from Space (ACOS) retrievals of GOSAT, OCO-2 and AIRS. These ESDRs consists of not only fused column averaged CO2 (XCO2) but also complementary 3- dimensional fields like time stamps, location information, averaging kernels, prior mean profiles, pressure levels, uncertainties, and error covariance matrices to facilitate their incorporation in CO2 flux Data Assimilation systems.


  • Cloudy Boundary Layer: A Climatology from Space
    A MEaSUREs Cloudy Boundary Layer Data Record

    A new multi-sensor multi-parameter Earth System Data Record of state of the art observations of the cloudy boundary layer was created as part of the MEaSUREs Program. This data record is intended to help better understand the physics of the cloudy boundary layer from a global perspective, and for the evaluation of models of varying complexity from simple bulk models to fully coupled global models. This project is focused on four key variables: boundary layer water vapor, liquid water path, boundary layer height and light surface precipitation.


  • Multi-Sensor Ultra-high Resolution (MUR) SST Field

    Mapping sea surface temperature (SST) from satellite measurements and surface observation (ship an bouy data). SST data are useful for weather forecasting, fisheries management, ocean acoustic communication, and scientific studies of climate and marine life.


  • GOZCARDS: Global Ozone Chemistry And Related trace gas Data records for the Stratosphere

    The Global Ozone Chemistry And Related trace gas Data records for the Stratosphere (GOZCARDS) MEaSUREs project provides stratospheric composition data from Earth system data records. The science focus of this data includes ozone decline and recovery. High-quality long-term ozone and related trace gas data records are needed to (a) evaluate and understand composition changes in the atmosphere and (b) constrain model representations of atmospheric dynamics and photochemistry.


  • JPL MEaSUREs Gridded Sea Surface Height Anomalies Version 1609

    These are gridded Sea Surface Height Anomalies (SSHA) above a 10 year time mean surface, on 1/6th degree grid every 5 days. It contains the fully corrected heights, but delayed 1-3 months. If you require data sooner there is an interim dataset available, but with slightly lower accuracy at http://dx.doi.org/10.5067/SLINT-CDRV1. The gridded data are derived from the SSHA data of TOPEX/Poseidon, Jason-1, Jason-2 and Jason-3 as reference data from the level 2 swath data found at http://podaac.jpl.nasa.gov/dataset/MERGED_TP_J1_OSTM_OST_CYCLES_V3, plus ERS-1, ERS-2, Envisat, SARAL-AltiKa, CRyosat-2, depending on the date, from the RADS database. The gridding is done by the kriging method. The date given in the data is the center of the 5 day window.


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