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Description

M2T1NXINT (or tavg1_2d_int_Nx) is an hourly time-averaged 2-dimensional data collection in Modern-Era Retrospective analysis for Research and Applications version 2 (MERRA-2). This collection consists of vertically Integrated diagnostics of water and energy, such as autoconversion loss of cloud water, convective source of cloud ice (water), eastward (nothward) flux of atmospheric ice (liquid, vapor), total potential energy tendency, vertically integrated potential energy tendency, and vertically integrated kinetic energy tendency. The data field is time-stamped with the central time of an hour starting from 00:30 UTC, e.g.: 00:30, 01:30, … , 23:30 UTC.

MERRA-2 is the latest version of global atmospheric reanalysis for the satellite era produced by NASA Global Modeling and Assimilation Office (GMAO) using the Goddard Earth Observing System Model (GEOS) version 5.12.4. The dataset covers the period of 1980-present with the latency of ~3 weeks after the end of a month.

Data Reprocessing: Please check “Records of MERRA-2 Data Reprocessing and Service Changes” linked from the “Documentation” tab on this page. Note that a reprocessed data filename is different from the original file.

MERRA-2 Mailing List: Sign up to receive information on reprocessing of data, changing of tools and services, as well as data announcements from GMAO. Contact the GES DISC Help Desk (gsfc-dl-help-disc@mail.nasa.gov) to be added to the list.

Questions: If you have a question, please read "MERRA-2 File Specification Document", “MERRA-2 Data Access – Quick Start Guide”, and FAQs linked from the ”Documentation” tab on this page. If that does not answer your question, you may post your question to the NASA Earthdata Forum (forum.earthdata.nasa.gov) or email the GES DISC Help Desk (gsfc-dl-help-disc@mail.nasa.gov).

Version Description

The GEOS-5 model version used for processing MERRA-2

Product Summary

Platforms
MERRA-2
Instruments
NOT APPLICABLE
Spatial Extent

N: 90 S: -90 E: 180 W: -180

Spatial Resolution
0.625 Decimal Degrees x 0.5 Decimal Degrees
Location
GLOBAL
Coordinate System
CARTESIAN
Granule Spatial Representation
CARTESIAN
Temporal Extent
1980-01-01 to Present
Data Partner
Goddard Earth Sciences Data and Information Services Center (formerly Goddard DAAC), Terrestrial Information Systems Laboratory, Earth Sciences Division, Science and Exploration Directorate, Goddard Space Flight Center, NASA (NASA/GSFC/SED/ESD/TISL/GESDI
Concept ID
C1276812846-GES_DISC
Data State
ACTIVE
Number of Files/Granules
16893
Processing Level
4
Published
Updated
Science Keywords
Heat Flux ,
Heat Flux ,
Heat Flux ,
Heat Flux ,
Longwave Radiation ,
Longwave Radiation ,
Shortwave Radiation ,
Shortwave Radiation ,
Water Vapor Tendency ,
Water Vapor Flux ,
Cloud Dynamics ,
Cloud Microphysics ,
Snow/Ice ,
Precipitation ,
Atmospheric Ozone

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

Global Modeling And Assimilation Office, & Pawson, S. (2015). MERRA-2 tavg1_2d_int_Nx: 2d,1-Hourly,Time-Averaged,Single-Level,Assimilation,Vertically Integrated Diagnostics V5.12.4 [Data set]. NASA Goddard Earth Sciences Data and Information Services Center. https://doi.org/10.5067/Q5GVUVUIVGO7 Date Accessed: 2026-05-15

Documents

Publications Citing This Dataset

Filters
Title Year Author Topic
Drought Weather in the Northeast United States Agel, Laurie, Barlow, Mathew, Skinner, Christopher B., Karmalkar, Ambarish V. Longwave Radiation, Shortwave Radiation, Soil Heat Budget, Soil Heat Budget, Soil Temperature, Soil Temperature, Soil Infiltration, Soil Infiltration, Soil Moisture/Water Content, Surface Soil Moisture, Root Zone Soil Moisture, Soil Moisture/Water Content, Evaporation, Surface Water, Runoff Rate, Average Flow, Average Flow, Precipitation, Snow/Ice, Snow Depth, Snow Melt, Snow/Ice Temperature, Leaf Area Index (LAI), Leaf Area Index (LAI), Geopotential Height, Altitude, Surface Temperature, Skin Temperature, Upper Air Temperature, Dew Point Temperature, Air Temperature, Cloud Top Temperature, Atmospheric Winds, Surface Winds, U/V Wind Components, Upper Level Winds, U/V Wind Components, Vertical Wind Velocity/Speed, Atmospheric Pressure, Sea Level Pressure, Cloud Top Pressure, Sea Level Pressure, Surface Pressure, Specific Humidity, Total Precipitable Water, Cloud Liquid Water/Ice, Atmospheric Water Vapor, Atmospheric Ozone, Oxygen Compounds, Boundary Layer Winds, Total Ozone, Potential Vorticity, Vertical Profiles, Relative Humidity, Ozone Profiles, Heat Flux, Heat Flux, Heat Flux, Heat Flux, Longwave Radiation, Shortwave Radiation, Water Vapor Tendency, Water Vapor Flux, Cloud Dynamics, Cloud Microphysics
Local Finite-Amplitude Wave Activity of Water Vapor as a Diagnostic of Zhang, Rui, Chang, Edmund K. M. Heat Flux, Air Temperature, Skin Temperature, Specific Humidity, Water Vapor, Precipitation Rate, Snow/Ice, Evaporation, Latent Heat Flux, Latent Heat Flux, Sensible Heat Flux, Diffusion, Surface Winds, Wind Speed, U/V Wind Components, Wind Stress, Wind Stress, Surface Roughness, Planetary Boundary Layer Height, Ice Fraction, Heat Flux, Heat Flux, Heat Flux, Longwave Radiation, Longwave Radiation, Shortwave Radiation, Shortwave Radiation, Water Vapor Tendency, Water Vapor Flux, Cloud Dynamics, Cloud Microphysics, Precipitation, Atmospheric Ozone, Geopotential Height, Altitude, Surface Temperature, Upper Air Temperature, Dew Point Temperature, Cloud Top Temperature, Atmospheric Winds, Surface Winds, Upper Level Winds, U/V Wind Components, Vertical Wind Velocity/Speed, Atmospheric Pressure, Sea Level Pressure, Cloud Top Pressure, Sea Level Pressure, Surface Pressure, Total Precipitable Water, Cloud Liquid Water/Ice, Atmospheric Water Vapor, Oxygen Compounds, Boundary Layer Winds, Total Ozone
La Nina Effects on the MJO Modulation of North Pacific Atmospheric Fernandes, L. G., Loikith, P. C., Mora, M. Geopotential Height, Altitude, Surface Temperature, Skin Temperature, Upper Air Temperature, Dew Point Temperature, Air Temperature, Cloud Top Temperature, Atmospheric Winds, Surface Winds, U/V Wind Components, Upper Level Winds, U/V Wind Components, Vertical Wind Velocity/Speed, Atmospheric Pressure, Sea Level Pressure, Cloud Top Pressure, Sea Level Pressure, Surface Pressure, Specific Humidity, Total Precipitable Water, Cloud Liquid Water/Ice, Atmospheric Water Vapor, Atmospheric Ozone, Oxygen Compounds, Boundary Layer Winds, Total Ozone, Heat Flux, Heat Flux, Heat Flux, Heat Flux, Longwave Radiation, Longwave Radiation, Shortwave Radiation, Shortwave Radiation, Water Vapor Tendency, Water Vapor Flux, Cloud Dynamics, Cloud Microphysics, Snow/Ice, Precipitation
Rapid increases in ozone concentrations over the Tibetan Plateau caused by local and non-local factors Xu, Chenghao, Lin, Jintai, Kong, Hao, Jin, Junli, Chen, Lulu, Xu, Xiaobin Heat Flux, Air Temperature, Skin Temperature, Specific Humidity, Water Vapor, Precipitation Rate, Snow/Ice, Evaporation, Latent Heat Flux, Latent Heat Flux, Sensible Heat Flux, Diffusion, Surface Winds, Wind Speed, U/V Wind Components, Wind Stress, Wind Stress, Surface Roughness, Planetary Boundary Layer Height, Ice Fraction, Geopotential Height, Altitude, Surface Temperature, Upper Air Temperature, Dew Point Temperature, Cloud Top Temperature, Atmospheric Winds, Surface Winds, Upper Level Winds, U/V Wind Components, Vertical Wind Velocity/Speed, Atmospheric Pressure, Sea Level Pressure, Cloud Top Pressure, Sea Level Pressure, Surface Pressure, Total Precipitable Water, Cloud Liquid Water/Ice, Atmospheric Water Vapor, Atmospheric Ozone, Oxygen Compounds, Boundary Layer Winds, Total Ozone, Pressure Thickness, Cloud Fraction, Ozone Profiles, Heat Flux, Heat Flux, Heat Flux, Longwave Radiation, Longwave Radiation, Shortwave Radiation, Shortwave Radiation, Water Vapor Tendency, Water Vapor Flux, Cloud Dynamics, Cloud Microphysics, Precipitation
Greenland's firn responds more to warming than to cooling Thompson-Munson, Megan, Kay, Jennifer E., Markle, Bradley R. Geopotential Height, Altitude, Surface Temperature, Skin Temperature, Upper Air Temperature, Dew Point Temperature, Air Temperature, Cloud Top Temperature, Atmospheric Winds, Surface Winds, U/V Wind Components, Upper Level Winds, U/V Wind Components, Vertical Wind Velocity/Speed, Atmospheric Pressure, Sea Level Pressure, Cloud Top Pressure, Sea Level Pressure, Surface Pressure, Specific Humidity, Total Precipitable Water, Cloud Liquid Water/Ice, Atmospheric Water Vapor, Atmospheric Ozone, Oxygen Compounds, Boundary Layer Winds, Total Ozone, Heat Flux, Water Vapor, Precipitation Rate, Snow/Ice, Evaporation, Latent Heat Flux, Latent Heat Flux, Sensible Heat Flux, Diffusion, Surface Winds, Wind Speed, Wind Stress, Wind Stress, Surface Roughness, Planetary Boundary Layer Height, Ice Fraction, Heat Flux, Heat Flux, Heat Flux, Longwave Radiation, Longwave Radiation, Shortwave Radiation, Shortwave Radiation, Water Vapor Tendency, Water Vapor Flux, Cloud Dynamics, Cloud Microphysics, Precipitation, Atmospheric Radiation, Radiative Flux, Radiative Forcing, Surface Radiative Properties, Albedo, Emissivity, Cloud Properties, Cloud Fraction, Cloud Optical Depth/Thickness, Skin Temperature, Sea Surface Skin Temperature
Polar Aerosol Atmospheric Rivers: Detection, Characteristics, and Lapere, Remy, Thomas, Jennie L., Favier, Vincent, Angot, Helene, Asplund, Julia, Ekman, Annica M. L., Marelle, Louis, Raut, JeanChristophe, Da Silva, Anderson, Wille, Jonathan D., Zieger, Paul Geopotential Height, Altitude, Surface Temperature, Skin Temperature, Upper Air Temperature, Dew Point Temperature, Air Temperature, Cloud Top Temperature, Atmospheric Winds, Surface Winds, U/V Wind Components, Upper Level Winds, U/V Wind Components, Vertical Wind Velocity/Speed, Atmospheric Pressure, Sea Level Pressure, Cloud Top Pressure, Sea Level Pressure, Surface Pressure, Specific Humidity, Total Precipitable Water, Cloud Liquid Water/Ice, Atmospheric Water Vapor, Atmospheric Ozone, Oxygen Compounds, Boundary Layer Winds, Total Ozone, Aerosols, Aerosol Extinction, Aerosol Optical Depth/Thickness, Angstrom Exponent, Aerosol Particle Properties, Carbonaceous Aerosols, Dust/Ash/Smoke, Organic Particles, Sulfate Particles, Sulfur Oxides, Sulfur Compounds, Sulfate, Sulfur Dioxide, Sulfur Oxides, Particulate Matter, Dimethyl Sulfide, Black Carbon, Sea Salt, PARTICULATE MATTER (PM 2.5), PARTICULATE MATTER (PM 1.0), PARTICULATE MATTER (PM 10), Emissions, UV Aerosol Index, Gas/Aerosol Composition, Deposition, Heat Flux, Heat Flux, Heat Flux, Heat Flux, Longwave Radiation, Longwave Radiation, Shortwave Radiation, Shortwave Radiation, Water Vapor Tendency, Water Vapor Flux, Cloud Dynamics, Cloud Microphysics, Snow/Ice, Precipitation, Pressure Thickness, Relative Humidity, Air Mass/Density
An evaluation of a physics-based firn model and a semi-empirical firn model across the Greenland Ice Sheet (19802020) Thompson-Munson, Megan, Wever, Nander, Stevens, C. Max, Lenaerts, Jan T. M., Medley, Brooke Heat Flux, Air Temperature, Skin Temperature, Specific Humidity, Water Vapor, Precipitation Rate, Snow/Ice, Evaporation, Latent Heat Flux, Latent Heat Flux, Sensible Heat Flux, Diffusion, Surface Winds, Wind Speed, U/V Wind Components, Wind Stress, Wind Stress, Surface Roughness, Planetary Boundary Layer Height, Ice Fraction, Geopotential Height, Altitude, Surface Temperature, Upper Air Temperature, Dew Point Temperature, Cloud Top Temperature, Atmospheric Winds, Surface Winds, Upper Level Winds, U/V Wind Components, Vertical Wind Velocity/Speed, Atmospheric Pressure, Sea Level Pressure, Cloud Top Pressure, Sea Level Pressure, Surface Pressure, Total Precipitable Water, Cloud Liquid Water/Ice, Atmospheric Water Vapor, Atmospheric Ozone, Oxygen Compounds, Boundary Layer Winds, Total Ozone, Heat Flux, Heat Flux, Heat Flux, Longwave Radiation, Longwave Radiation, Shortwave Radiation, Shortwave Radiation, Water Vapor Tendency, Water Vapor Flux, Cloud Dynamics, Cloud Microphysics, Precipitation, Atmospheric Radiation, Radiative Flux, Radiative Forcing, Surface Radiative Properties, Albedo, Emissivity, Cloud Properties, Cloud Fraction, Cloud Optical Depth/Thickness, Skin Temperature, Sea Surface Skin Temperature
Evaluating Uncertainty and Modes of Variability for Antarctic Atmospheric Rivers Shields, Christine A., Wille, Jonathan D., Marquardt Collow, Allison B., Maclennan, Michelle, Gorodetskaya, Irina V. Heat Flux, Heat Flux, Heat Flux, Heat Flux, Longwave Radiation, Longwave Radiation, Shortwave Radiation, Shortwave Radiation, Water Vapor Tendency, Water Vapor Flux, Cloud Dynamics, Cloud Microphysics, Snow/Ice, Precipitation, Atmospheric Ozone, Air Temperature, Precipitation Rate, 24 Hour Maximum Temperature, 24 Hour Minimum Temperature, Skin Temperature, Specific Humidity, Water Vapor, Evaporation, Latent Heat Flux, Latent Heat Flux, Sensible Heat Flux, Diffusion, Surface Winds, Wind Speed, U/V Wind Components, Wind Stress, Wind Stress, Surface Roughness, Planetary Boundary Layer Height, Ice Fraction, Geopotential Height, Altitude, Surface Temperature, Upper Air Temperature, Dew Point Temperature, Cloud Top Temperature, Atmospheric Winds, Surface Winds, Upper Level Winds, U/V Wind Components, Vertical Wind Velocity/Speed, Atmospheric Pressure, Sea Level Pressure, Cloud Top Pressure, Sea Level Pressure, Surface Pressure, Total Precipitable Water, Cloud Liquid Water/Ice, Atmospheric Water Vapor, Oxygen Compounds, Boundary Layer Winds, Potential Vorticity, Vertical Profiles, Relative Humidity, Ozone Profiles, Sea Surface Skin Temperature, Skin Temperature
Atmospheric river representation in the Energy Exascale Earth System Model (E3SM) version 1.0 Kim, Sol, Leung, L. Ruby, Guan, Bin, Chiang, John C. H. Heat Flux, Air Temperature, Skin Temperature, Specific Humidity, Water Vapor, Precipitation Rate, Snow/Ice, Evaporation, Latent Heat Flux, Latent Heat Flux, Sensible Heat Flux, Diffusion, Surface Winds, Wind Speed, U/V Wind Components, Wind Stress, Wind Stress, Surface Roughness, Planetary Boundary Layer Height, Ice Fraction, Atmospheric Ozone, Sea Level Pressure, Surface Pressure, U/V Wind Components, Potential Vorticity, Vertical Wind Velocity/Speed, Vertical Profiles, Upper Air Temperature, Relative Humidity, Atmospheric Water Vapor, Cloud Liquid Water/Ice, Altitude, Geopotential Height, Ozone Profiles, Surface Temperature, Dew Point Temperature, Cloud Top Temperature, Atmospheric Winds, Surface Winds, Upper Level Winds, Atmospheric Pressure, Cloud Top Pressure, Sea Level Pressure, Total Precipitable Water, Oxygen Compounds, Boundary Layer Winds, Total Ozone, Heat Flux, Heat Flux, Heat Flux, Longwave Radiation, Longwave Radiation, Shortwave Radiation, Shortwave Radiation, Water Vapor Tendency, Water Vapor Flux, Cloud Dynamics, Cloud Microphysics, Precipitation
Linking Total Precipitable Water to Precipitation Extremes Globally Kim, Seokhyeon, Sharma, Ashish, Wasko, Conrad, Nathan, Rory Carbon Monoxide, Geopotential Height, Tropopause, Methane, Atmospheric Ozone, Surface Pressure, Outgoing Longwave Radiation, Air Temperature, Upper Air Temperature, Humidity, Total Precipitable Water, Water Vapor, Water Vapor Profiles, Cloud Liquid Water/Ice, Cloud Height, Cloud Top Pressure, Cloud Top Temperature, Cloud Vertical Distribution, Emissivity, Skin Temperature, Sea Surface Temperature, Heat Flux, Heat Flux, Heat Flux, Heat Flux, Longwave Radiation, Longwave Radiation, Shortwave Radiation, Shortwave Radiation, Water Vapor Tendency, Water Vapor Flux, Cloud Dynamics, Cloud Microphysics, Snow/Ice, Precipitation
Seasonality in Prediction Skill of the MaddenJulian Oscillation and Associated Dynamics in Version 2 of NASA's GEOSS2S Forecast System Lim, YoungKwon, Arnold, Nathan P., Molod, Andrea M., Pawson, Steven Heat Flux, Air Temperature, Skin Temperature, Specific Humidity, Water Vapor, Precipitation Rate, Snow/Ice, Evaporation, Latent Heat Flux, Latent Heat Flux, Sensible Heat Flux, Diffusion, Surface Winds, Wind Speed, U/V Wind Components, Wind Stress, Wind Stress, Surface Roughness, Planetary Boundary Layer Height, Ice Fraction, Geopotential Height, Altitude, Surface Temperature, Upper Air Temperature, Dew Point Temperature, Cloud Top Temperature, Atmospheric Winds, Surface Winds, Upper Level Winds, U/V Wind Components, Vertical Wind Velocity/Speed, Atmospheric Pressure, Sea Level Pressure, Cloud Top Pressure, Sea Level Pressure, Surface Pressure, Total Precipitable Water, Cloud Liquid Water/Ice, Atmospheric Water Vapor, Atmospheric Ozone, Oxygen Compounds, Boundary Layer Winds, Total Ozone, Heat Flux, Heat Flux, Heat Flux, Longwave Radiation, Longwave Radiation, Shortwave Radiation, Shortwave Radiation, Water Vapor Tendency, Water Vapor Flux, Cloud Dynamics, Cloud Microphysics, Precipitation, Atmospheric Radiation, Temperature Tendency, Cloud Fraction, Potential Vorticity, Vertical Profiles, Relative Humidity, Ozone Profiles
Diurnal cycle of summer precipitation over the North China Plain and associated landatmosphere interactions: Evaluation of ERA5 and MERRA2 Song, Yuanyuan, Wei, Jiangfeng Atmospheric Ozone, Sea Level Pressure, Surface Pressure, U/V Wind Components, U/V Wind Components, Potential Vorticity, Vertical Wind Velocity/Speed, Vertical Profiles, Upper Air Temperature, Air Temperature, Relative Humidity, Specific Humidity, Atmospheric Water Vapor, Cloud Liquid Water/Ice, Altitude, Geopotential Height, Ozone Profiles, Total Surface Precipitation Rate, Longwave Radiation, Shortwave Radiation, Soil Heat Budget, Soil Heat Budget, Soil Temperature, Soil Temperature, Soil Infiltration, Soil Infiltration, Soil Moisture/Water Content, Surface Soil Moisture, Root Zone Soil Moisture, Soil Moisture/Water Content, Evaporation, Surface Water, Runoff Rate, Average Flow, Average Flow, Precipitation, Snow/Ice, Snow Depth, Snow Melt, Snow/Ice Temperature, Leaf Area Index (LAI), Leaf Area Index (LAI), Surface Temperature, Skin Temperature, Dew Point Temperature, Cloud Top Temperature, Atmospheric Winds, Surface Winds, Upper Level Winds, Atmospheric Pressure, Cloud Top Pressure, Sea Level Pressure, Total Precipitable Water, Oxygen Compounds, Boundary Layer Winds, Total Ozone, Potential Temperature, Potential Temperature, Air Mass/Density, Heat Flux, Heat Flux, Heat Flux, Heat Flux, Longwave Radiation, Shortwave Radiation, Water Vapor Tendency, Water Vapor Flux, Cloud Dynamics, Cloud Microphysics, Skin Temperature
Large-scale influences on atmospheric riverinduced extreme precipitation events along the coast of Washington State Collow, Allison B. Marquardt, Mersiovsky, Haiden, Bosilovich, Michael G. Heat Flux, Heat Flux, Heat Flux, Heat Flux, Longwave Radiation, Longwave Radiation, Shortwave Radiation, Shortwave Radiation, Water Vapor Tendency, Water Vapor Flux, Cloud Dynamics, Cloud Microphysics, Snow/Ice, Precipitation, Atmospheric Ozone, Geopotential Height, Altitude, Surface Temperature, Skin Temperature, Upper Air Temperature, Dew Point Temperature, Air Temperature, Cloud Top Temperature, Atmospheric Winds, Surface Winds, U/V Wind Components, Upper Level Winds, U/V Wind Components, Vertical Wind Velocity/Speed, Atmospheric Pressure, Sea Level Pressure, Cloud Top Pressure, Sea Level Pressure, Surface Pressure, Specific Humidity, Total Precipitable Water, Cloud Liquid Water/Ice, Atmospheric Water Vapor, Oxygen Compounds, Boundary Layer Winds, Total Ozone, Water Vapor, Precipitation Rate, Evaporation, Latent Heat Flux, Latent Heat Flux, Sensible Heat Flux, Diffusion, Surface Winds, Wind Speed, Wind Stress, Wind Stress, Surface Roughness, Planetary Boundary Layer Height, Ice Fraction
State of the climate in 2018 Blunden, Jessica, Arndt, Derek S. Heat Flux, Heat Flux, Heat Flux, Heat Flux, Longwave Radiation, Longwave Radiation, Shortwave Radiation, Shortwave Radiation, Water Vapor Tendency, Water Vapor Flux, Cloud Dynamics, Cloud Microphysics, Snow/Ice, Precipitation, Atmospheric Ozone, Geopotential Height, Altitude, Surface Temperature, Skin Temperature, Upper Air Temperature, Dew Point Temperature, Air Temperature, Cloud Top Temperature, Atmospheric Winds, Surface Winds, U/V Wind Components, Upper Level Winds, U/V Wind Components, Vertical Wind Velocity/Speed, Atmospheric Pressure, Sea Level Pressure, Cloud Top Pressure, Sea Level Pressure, Surface Pressure, Specific Humidity, Total Precipitable Water, Cloud Liquid Water/Ice, Atmospheric Water Vapor, Oxygen Compounds, Boundary Layer Winds, Total Ozone, Albedo, Anisotropy, Precipitation Amount, Precipitation Rate, Snow, Rain
Bias and Sensitivity of Boundary Layer Clouds and Surface Radiative Fluxes in MERRA-2 and Airborne Observations Over the Beaufort Sea During the ARISE Campaign Segal Rozenhaimer, Michal, Barton, Neil, Redemann, Jens, Schmidt, Sebastian, LeBlanc, Samuel, Anderson, Bruce, Winstead, Edward, Corr, Chelsea A., Moore, Richard, Thornhill, K. Lee, Cullather, Richard I. Heat Flux, Air Temperature, Skin Temperature, Specific Humidity, Water Vapor, Precipitation Rate, Snow/Ice, Evaporation, Latent Heat Flux, Latent Heat Flux, Sensible Heat Flux, Diffusion, Surface Winds, Wind Speed, U/V Wind Components, Wind Stress, Wind Stress, Surface Roughness, Planetary Boundary Layer Height, Ice Fraction, Heat Flux, Heat Flux, Heat Flux, Longwave Radiation, Longwave Radiation, Shortwave Radiation, Shortwave Radiation, Water Vapor Tendency, Water Vapor Flux, Cloud Dynamics, Cloud Microphysics, Precipitation, Atmospheric Ozone, Geopotential Height, Altitude, Surface Temperature, Upper Air Temperature, Dew Point Temperature, Cloud Top Temperature, Atmospheric Winds, Surface Winds, Upper Level Winds, U/V Wind Components, Vertical Wind Velocity/Speed, Atmospheric Pressure, Sea Level Pressure, Cloud Top Pressure, Sea Level Pressure, Surface Pressure, Total Precipitable Water, Cloud Liquid Water/Ice, Atmospheric Water Vapor, Oxygen Compounds, Boundary Layer Winds, Total Ozone
The modern-era retrospective analysis for research and applications, version 2 (MERRA-2) Gelaro, Ronald, McCarty, Will, Suarez, Max J., Todling, Ricardo, Molod, Andrea, Takacs, Lawrence, Randles, Cynthia A., Darmenov, Anton, Bosilovich, Michael G., Reichle, Rolf, Wargan, Krzysztof, Coy, Lawrence, Cullather, Richard, Draper, Clara, Akella, Santha, Buchard, Virginie, Conaty, Austin, da Silva, Arlindo M., Gu, Wei, Kim, Gi-Kong, Koster, Randal, Lucchesi, Robert, Merkova, Dagmar, Nielsen, Jon Eric, Partyka, Gary, Pawson, Steven, Putman, William, Rienecker, Michele, Schubert, Siegfried D., Sienkiewicz, Meta, Zhao, Bin Aerosols, Aerosol Extinction, Aerosol Optical Depth/Thickness, Angstrom Exponent, Aerosol Particle Properties, Carbonaceous Aerosols, Dust/Ash/Smoke, Organic Particles, Sulfate Particles, Sulfur Oxides, Sulfur Compounds, Sulfate, Sulfur Dioxide, Sulfur Oxides, Particulate Matter, Dimethyl Sulfide, Black Carbon, Sea Salt, PARTICULATE MATTER (PM 2.5), PARTICULATE MATTER (PM 10), PARTICULATE MATTER (PM 1.0), Albedo, Snow Depth, Snow Depth, Glacier Runoff, Glacier Runoff, Snow Cover, Heat Flux, Air Temperature, Skin Temperature, Specific Humidity, Water Vapor, Precipitation Rate, Snow/Ice, Evaporation, Latent Heat Flux, Latent Heat Flux, Sensible Heat Flux, Diffusion, Surface Winds, Wind Speed, U/V Wind Components, Wind Stress, Wind Stress, Surface Roughness, Planetary Boundary Layer Height, Ice Fraction, Heat Flux, Heat Flux, Heat Flux, Longwave Radiation, Longwave Radiation, Shortwave Radiation, Shortwave Radiation, Water Vapor Tendency, Water Vapor Flux, Cloud Dynamics, Cloud Microphysics, Precipitation, Atmospheric Ozone, Geopotential Height, Altitude, Surface Temperature, Upper Air Temperature, Dew Point Temperature, Cloud Top Temperature, Atmospheric Winds, Surface Winds, Upper Level Winds, U/V Wind Components, Vertical Wind Velocity/Speed, Atmospheric Pressure, Sea Level Pressure, Cloud Top Pressure, Sea Level Pressure, Surface Pressure, Total Precipitable Water, Cloud Liquid Water/Ice, Atmospheric Water Vapor, Oxygen Compounds, Boundary Layer Winds, Total Ozone, Temperature Tendency, Skin Temperature, Water Vapor Processes, Soil Heat Budget, Soil Heat Budget, Soil Temperature, Soil Temperature, Soil Infiltration, Soil Infiltration, Soil Moisture/Water Content, Surface Soil Moisture, Root Zone Soil Moisture, Soil Moisture/Water Content, Surface Water, Runoff Rate, Average Flow, Average Flow, Snow Depth, Snow Melt, Snow/Ice Temperature, Leaf Area Index (LAI), Leaf Area Index (LAI), Potential Temperature, Potential Temperature, Air Mass/Density, Potential Vorticity, Vertical Profiles, Relative Humidity, Ozone Profiles
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Variables

The table below lists the variables contained within a single granule for this dataset. Variables often contain observed or derived geophysical measurements collected from a variety of sources, including remote sensing instruments on satellite and airborne platforms, field campaigns, in situ measurements, and model outputs. The terms variable, parameter, scientific data set, layer, and band have been used across NASA’s Earth science disciplines; however, variable is the designated nomenclature in NASA’s Common Metadata Repository (CMR). Variable metadata attributes such as Name, Description, Units, Data Type, Fill Value, Valid Range, and Scale Factor allow users to efficiently process and analyze the data. The full range of attributes may not be applicable to all variables. Additional information on variable attributes is typically available in the data, user guide, and/or other product documentation.

For questions on a specific variable, please use the Earthdata Forum.

Name Description Units Data Type Fill Value Valid Range Scale Factor Offset
AUTCNVRN AUTCNVRN kg m-2 s-1 float32 999999986991104 N/A 1 0
BKGERR BKGERR W m-2 float32 999999986991104 N/A 1 0
COLCNVRN COLCNVRN kg m-2 s-1 float32 999999986991104 N/A 1 0
COLCNVSN COLCNVSN kg m-2 s-1 float32 999999986991104 N/A 1 0
CUCNVCI CUCNVCI kg m-2 s-1 float32 999999986991104 N/A 1 0
CUCNVCL CUCNVCL kg m-2 s-1 float32 999999986991104 N/A 1 0
CUCNVRN CUCNVRN kg m-2 s-1 float32 999999986991104 N/A 1 0
DHDT_ANA DHDT_ANA W m-2 float32 999999986991104 N/A 1 0
DHDT_BKG DHDT_BKG W m-2 float32 999999986991104 N/A 1 0
DHDT_CUF DHDT_CUF W m-2 float32 999999986991104 N/A 1 0
DHDT_DYN DHDT_DYN W m-2 float32 999999986991104 N/A 1 0
DHDT_FRI DHDT_FRI W m-2 float32 999999986991104 N/A 1 0
DHDT_GWD DHDT_GWD W m-2 float32 999999986991104 N/A 1 0
DHDT_MST DHDT_MST W m-2 float32 999999986991104 N/A 1 0
DHDT_ORO DHDT_ORO W m-2 float32 999999986991104 N/A 1 0
DHDT_PHY DHDT_PHY W m-2 float32 999999986991104 N/A 1 0
DHDT_RAD DHDT_RAD W m-2 float32 999999986991104 N/A 1 0
DHDT_RAY DHDT_RAY W m-2 float32 999999986991104 N/A 1 0
DHDT_RES DHDT_RES W m-2 float32 999999986991104 N/A 1 0
DHDT_TRB DHDT_TRB W m-2 float32 999999986991104 N/A 1 0
DKDT_ANA DKDT_ANA W m-2 float32 999999986991104 N/A 1 0
DKDT_BKG DKDT_BKG W m-2 float32 999999986991104 N/A 1 0
DKDT_DYN DKDT_DYN W m-2 float32 999999986991104 N/A 1 0
DKDT_GWD DKDT_GWD W m-2 float32 999999986991104 N/A 1 0
DKDT_GWDRES DKDT_GWDRES W m-2 float32 999999986991104 N/A 1 0
DKDT_INT DKDT_INT W m-2 float32 999999986991104 N/A 1 0
DKDT_MST DKDT_MST W m-2 float32 999999986991104 N/A 1 0
DKDT_ORO DKDT_ORO W m-2 float32 999999986991104 N/A 1 0
DKDT_PHY DKDT_PHY W m-2 float32 999999986991104 N/A 1 0
DKDT_PHYPHY DKDT_PHYPHY W m-2 float32 999999986991104 N/A 1 0
DKDT_RAY DKDT_RAY W m-2 float32 999999986991104 N/A 1 0
DKDT_SRF DKDT_SRF W m-2 float32 999999986991104 N/A 1 0
DKDT_TOP DKDT_TOP W m-2 float32 999999986991104 N/A 1 0
DKDT_TRB DKDT_TRB W m-2 float32 999999986991104 N/A 1 0
DMDT_ANA DMDT_ANA kg m-2 s-1 float32 999999986991104 N/A 1 0
DMDT_DYN DMDT_DYN kg m-2 s-1 float32 999999986991104 N/A 1 0
DMDT_PHY DMDT_PHY kg m-2 s-1 float32 999999986991104 N/A 1 0
DOXDT_ANA DOXDT_ANA kg m-2 s-1 float32 999999986991104 N/A 1 0
DOXDT_CHM DOXDT_CHM kg m-2 s-1 float32 999999986991104 N/A 1 0
DOXDT_DYN DOXDT_DYN kg m-2 s-1 float32 999999986991104 N/A 1 0
DOXDT_FIL DOXDT_FIL kg m-2 s-1 float32 999999986991104 N/A 1 0
DOXDT_PHY DOXDT_PHY kg m-2 s-1 float32 999999986991104 N/A 1 0
DPDT_ANA DPDT_ANA W m-2 float32 999999986991104 N/A 1 0
DPDT_DYN DPDT_DYN W m-2 float32 999999986991104 N/A 1 0
DPDT_PHY DPDT_PHY W m-2 float32 999999986991104 N/A 1 0
DQIDT_ANA DQIDT_ANA kg m-2 s-1 float32 999999986991104 N/A 1 0
DQIDT_DYN DQIDT_DYN kg m-2 s-1 float32 999999986991104 N/A 1 0
DQIDT_FIL DQIDT_FIL kg m-2 s-1 float32 999999986991104 N/A 1 0
DQIDT_MST DQIDT_MST kg m-2 s-1 float32 999999986991104 N/A 1 0
DQIDT_PHY DQIDT_PHY kg m-2 s-1 float32 999999986991104 N/A 1 0
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