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202 results for “water vapor”
MLS/Aura Level 3 Monthly Binned Water Vapor (H2O) Mixing Ratio on Assorted Grids V004 (ML3MBH2O) at GES DISC
ML3MBH2O is the EOS Aura Microwave Limb Sounder (MLS) monthly binned on various vertical grids product for water vapor (H2O) derived from radiances measured primarily by the 190 GHz radiometer. The data version is 4.2. Spatial coverage is near-global (-82 to +82 degrees latitude) at a spatial resolution of 4 degrees latitude by 5 degrees longitude. The recommended useful vertical range is between 316 and 0.00215 hPa, and the vertical resolution is about 1.5 km at 316 hPa increasing to 3.5 km to 4.64 hPa, and degrades to 15 km above 0.1 hPa. Users of the ML3MBH2O data product should read chapter 4 and section 3.9 of the EOS MLS Level 2 Version 4 Quality Document for more information.The data files are archived in the netCDF4 format, which is also compatible with HDF5 readers and tools. Each file contains six group objects: lat-lon map vs pressure, lat vs pressure zonal mean, lat-lon map vs theta, lat vs theta zonal mean, equivalent lat vs theta zonal mean, and vortex average vs theta. Each group has a set of data (average, min, max, std dev, rms) and geolocation fields, grid attributes, and metadata.
VIIRS/SNPP Level-2 Water Vapor Products 6-min Swath 750m
The Suomi NPP VIIRS Water Vapor Products provide total column water vapor (TPW) properties from merged VIIRS infrared measurements and CrIS plus ATMS water vapor soundings to continue the depiction of global moisture at high spatial resolution started with MODIS on the Terra and Aqua platforms. While MODIS has two water vapor channels within the 6.5 μm H2O absorption band and four channels within the 15 micrometer CO2 absorption band, VIIRS has no channels in either IR absorption band. The VNPWATVP algorithm is similar to the MODIS MOD07 synthetic regression algorithm. It uses the three VIIRS longwave IR window bands in a regression relation and adds the NUCAPS (CrIS+ATMS) water vapor product to compensate for the absence of VIIRS water vapor channels. The Level-2 6-minute granule and 750 m spatial resolution VIIRS TPW product file includes the collocated NUCAPS background TPW, the VIIRS-only TPW, and VIIRS+NUCAPS TPW retrievals with quality flags.
ABoVE/ASCENDS: Active Sensing of CO2, CH4, and Water Vapor, Alaska and Canada, 2017
This dataset provides in situ airborne measurements of atmospheric carbon dioxide (CO2), methane (CH4), and water vapor concentrations, plus air temperature, pressure, relative humidity, and wind speed values over Alaska and the Yukon and Northwest Territories of Canada during 2017-07-20 to 2017-08-08. Measurements were taken onboard a DC-8 aircraft during this Active Sensing of CO2 Emissions over Nights, Days and Seasons (ASCENDS) airborne deployment over portions of the Arctic-Boreal Vulnerability Experiment (ABoVE) domain. CO2 and CH4 were measured with NASA's Atmospheric Vertical Observations of CO2 in the Earth's Troposphere (AVOCET) instrument. Water vapor and relative humidity were measured with Diode Laser Hydrometer. Measurements of column-averaged dry-air mixing ratio CO2 measurements (XCO2) were taken with the CO2 Sounder Lidar instrument. The airborne CO2 Sounder is a pulsed, multi-wavelength Integrated Path Differential Absorption lidar. It estimates XCO2 in the nadir path from the aircraft to the scattering surface by measuring the shape of the 1572.33 nm CO2 absorption line. The data were collected in order to capture the spatial and temporal dynamics of the northern high latitude carbon cycle as part of ABoVE and are provided in ICARTT file format.
ATom: In Situ Atmospheric Water Vapor from the Diode Laser Hygrometer, Version 2
This dataset provides the concentrations of water measured by the Diode Laser Hygrometer (DLH) flown on the NASA DC-8 during the ATom 1-4 campaigns from 2016 - 2018. The DLH measures the water vapor in the atmosphere by wavelength modulated differential absorption spectroscopy of an isolated rovibrational line. The measurements include water vapor mixing ratio in parts-per-million-by-volume (ppmv) and relative humidity in percent. Relative humidity, both with respect to liquid water and with respect to ice, are quantities derived from measurements of water vapor mixing ratio as well as ambient temperature and pressure.
SCAMS/Nimbus-6 Level 2 Water Vapor and Temperature, as well as Antenna and Brightness Temperature V001 (SCAMSN6L2) at GES DISC
The Nimbus-6 Scanning Microwave Spectrometer (SCAMS) Level 2 data product contains water vapor and temperature profiles, as well as antenna and brightness temperatures. SCAMS was designed to map tropospheric temperature profiles, water vapor abundance, and cloud water content to be used for weather prediction even in the presence of clouds, which block conventional satellite infrared sensors. The data, originally written on IBM 360 machines, were recovered from 9-track magnetic tapes. The data are archived in their original IBM 32-bit word binary record format, also referred to as a binary TAP file, and contain one orbit of measurements. The SCAMS experiment on Nimbus-6 is a follow on to the successful Nimbus-5 NEMS experiment. SCAMS continuously monitored emitted microwave radiation at frequencies of 22.235, 31.65, 52.85, 53.85 and 55.45 GHz. The three channels near the 5.0-mm oxygen absorption band were used primarily to deduce atmospheric temperature profiles. The two channels near 10 mm permitted water vapor and cloud water content over calm oceans to be estimated separately. The instrument, a Dicke-superheterodyne type, scanned +/- 45 degrees normal to the orbital plane with a 10 degree field of view. The three oxygen channels shared common signal and reference antennas. Both water vapor channels had their own signals and reference antennas. The absolute rms accuracy of the oxygen channels was better than 2 Kelvin and that of the water vapor channels better than 1 Kelvin. The SCAMS Principal Investigator was Prof. David H. Staelin from MIT. The Nimbus-6 SCAMS data are available from June 15, 1975 (day of year 166) through May 31, 1976 (day of year 152).This product was previously available from the NSSDC with the identifier ESAD-00093 (old ID 75-052A-10A).
GPM GROUND VALIDATION AEROSOL AND WATER VAPOR LIDAR QUICKLOOKS GCPEX V1
The GPM Ground Validation Aerosol and Water Vapor Lidar Quicklooks GCPEx dataset contains imagery generated from the GPM Cold-season Precipitation Experiment (GCPEx) campaign during January - March 2012 in Canada. GCPEx addressed shortcomings in GPM snowfall retrieval algorithm by collecting microphysical properties, associated remote sensing observations, and coordinated model simulations of precipitating snow. The system is configured to run semi-autonomously and shuts down automatically for the duration of rain events. This dataset is comprised of measurements from two Lidar systems: the Semi Autonomous Tropospheric Aerosol Lidar and the Tropospheric Water Vapor Lidar.
BOREAS RSS-14 GOES-7 Level-1 Visible, Infrared, and Water Vapor Images
The level-1 BOREAS GOES-7 image data were collected by Remote Sensing Science Team 14 (RSS-14) personnel at Florida State University (FSU) and delivered to BORIS. The data cover the period of 01-Jan-1994 through 08-Jul-1995, with partial to complete coverage on the majority of the days. The data include three bands with eight-bit pixel values. No major problems with the data have been identified. Companion files include (1) an image inventory listing to inform users of the images that are available and (2) example thumbnail images.
AMSR-MODIS Boundary Layer Water Vapor L3 Monthly 1 degree x 1 degree V2 (AMMBLWV) at GES DISC
Version 2 is the current version of this dataset. Version 2 uses an improved methodology to screen out high clouds.This data set provides an estimate the marine boundary layer water vapor beneath uniform cloud fields. Microwave radiometry from AMSR-E and AMSR-2 provides the total column water vapor, while the near-infrared imagery from MODIS provides the water vapor above the cloud layers. The difference between the two gives the vapor between the surface and the cloud top, which may be interpreted as the boundary layer water vapor.
SCAMS/Nimbus-6 Images of Brightness Temperatures, Water Vapor and Temperature on 70-mm Film V001 (SCAMSN6IM) at GES DISC
The SCAMSN6IM data product consists of images of brightness temperatures, water vapor and temperature on 70 mm film strips from the Nimbus-6 Scanning Microwave Spectrometer. Each display contains eight vertical strips of data from one orbit. All strips have the same geographic coverage, but each represents a different parameter. The first three are brightness temperatures for channels 2 (31.65 GHz) and 3 (52.85 GHz) and their differences. The next two represent retrieved water vapor and liquid water from clouds or precipitation over the oceans, respectively. The remaining three strips on the right represent inverted mean temperatures for atmospheric layers 1000-500 mbar, 500-250 mbar, and 250-100 mbar, respectively. The first five parameters are displayed in 18-step gray levels, the values of which can be found in a table in each of the first five volumes of "The Nimbus 6 Data Catalog." The last three parameters are displayed by contour bands (labeled on the side) that are spaced 4 K apart. Spatial resolution on the ground for the parameters varies from 145 km at nadir to 330 km at the scan extremes. The images are saved as TIFF digital files. About 3-5 months of images are archived into a ZIP file. Additional information can be found in section 2.4.1 of "The Nimbus 6 User's Guide."The SCAMS experiment on Nimbus-6 is a follow on to the successful Nimbus-5 NEMS experiment. SCAMS continuously monitored emitted microwave radiation at frequencies of 22.235, 31.65, 52.85, 53.85 and 55.45 GHz. The three channels near the 5.0-mm oxygen absorption band were used primarily to deduce atmospheric temperature profiles. The two channels near 10 mm permitted water vapor and cloud water content over calm oceans to be estimated separately. The instrument, a Dicke-superheterodyne type, scanned +/- 45 degrees normal to the orbital plane with a 10 degree field of view. The three oxygen channels shared common signal and reference antennas. Both water vapor channels had their own signals and reference antennas. The absolute rms accuracy of the oxygen channels was better than 2 Kelvin and that of the water vapor channels better than 1 Kelvin.The SCAMS Principal Investigator was Prof. David H. Staelin from MIT. The Nimbus-6 SCAMS images are available from June 15, 1975 (day of year 166) through May 31, 1976 (day of year 152).This product was previously available from the NSSDC with the identifier ESAD-00200 (old ID 75-052A-10B).
SAFARI 2000 Airborne Sunphotometer Aerosol Optical Depth and Water Vapor Data
The NASA Ames Airborne Tracking 14-channel Sunphotometer (AATS-14) was operated successfully aboard the University of Washington CV-580 for 24 data flights during the dry-season airborne campaign from August 13 to September 25, 2000. Flights originated from Pietersburg, South Africa; Kasane, Botswana; and Walvis Bay, Namibia. The AATS-14 instrument measures the transmission of the direct solar beam at 14 discrete wavelengths (350-1558 nm) from which we derived spectral aerosol optical depths (AOD) and columnar water vapor (CWV). Flying at different altitudes over a fixed location allows derivation of layer AOD and CWV. Data taken during vertical profiles allows derivation of aerosol extinction and water vapor density.
LBA-ECO CD-02 Oxygen Isotopes of Plant Tissue Water and Atmospheric Water Vapor
This data set reports the oxygen isotope signatures of water extracted from plant tissue (xylem from the stems and leaf tissue) and of atmospheric water vapor from twelve different sites (including both pasture and forest) throughout the Amazon region of Brazil. Samples were collected approximately every 4 months between 1999 and 2003 with additional samples collected monthly between January and May of 2003. In 2004 the collection of water samples from plant tissue continued at two sites, though water vapor collections were discontinued, and measurements of deuterium signatures were added to the analyses. In addition, water vapor from the troposphere was collected during a series of aircraft flights over the Tapajos National Forest in May of 2003 and analyzed for oxygen isotopes using the same methodology. There is one comma-delimited ASCII data file with this data set.
MODIS/Terra Aerosol Cloud Water Vapor Ozone Monthly L3 Global 1Deg CMG
The MODIS/Terra Aerosol Cloud Water Vapor Ozone Monthly L3 Global 1Deg CMG product (MOD08_M3) contains monthly 1 x 1 degree grid average values of atmospheric parameters related to atmospheric aerosol particle properties, total ozone burden, atmospheric water vapor, cloud optical and physical properties, and atmospheric stability indices. This product also provides standard deviations, quality assurance weighted means and other statistically derived quantities for each parameter. The MOD08_M3 contains roughly 800 statistical datasets that are derived from the Level-3 MODIS Atmosphere Daily Global Product. Statistics are sorted into 1x1 degree cells on an equal-angle grid that spans a (calendar) monthly interval and then summarized over the globe. MOD08_M3 product files are stored in Hierarchical Data Format (HDF-EOS). Each gridded global parameter is stored as Scientific Data Sets (SDS) within the file. The MODIS monthly Product will be used in the simultaneously study of clouds, water vapor, aerosol , trace gases, land surface and oceanic properties, as well as the interaction between them and their effect on the Earth's energy budget and climate. This product will also be used to investigate seasonal and inter-annual changes in cirrus (semi-transparent) global cloud cover and cloud phase with multispectral observations at high spatial resolution.For more information about the MOD08_M3 product, please visit the MODIS-Atmosphere site at:https://modis-atmos.gsfc.nasa.gov/products/monthly
AMSR-MODIS Boundary Layer Water Vapor L3 Monthly 1 degree x 1 degree V1 (AMMBLWV) at GES DISC
This data set provides an estimate the marine boundary layer water vapor beneath uniform cloud fields. Microwave radiometry from AMSR-E and AMSR-2 provides the total column water vapor, while the near-infrared imagery from MODIS provides the water vapor above the cloud layers. The difference between the two gives the vapor between the surface and the cloud top, which may be interpreted as the boundary layer water vapor.
TES/Aura L3 Water Vapor Daily Gridded V006
TL3H2OD_6 is the Tropospheric Emission Spectrometer (TES)/Aura Level 3 Water Vapor Daily Gridded Version 6 data product. It consists of daily atmospheric temperature and volume mixing ratio (VMR) for the water vapor atmospheric species, which were provided at 2 degree latitude X 4 degree longitude spatial grids and at a subset of TES standard pressure levels. TES was an instrument aboard NASA's Aura satellite and was launched from California on July 15, 2004. Data collection for TES is complete. The TES Science Data Processing L3 subsystem interpolated L2 atmospheric profiles collected in a Global Survey onto a global grid uniform in latitude and longitude to provide a 3-D representation of the distribution of atmospheric gasses. The L3 standard data products are composed of L3 HDF-EOS grid data. A separate product file was produced for each different atmospheric species. TES obtained data in two basic observation modes: Limb or Nadir; Nadir observations, which point directly to the surface of the Earth, are different from limb observations, which are pointed at various off-nadir angles into the atmosphere. The product file may contain, in separate folders, limb data, nadir data, or both folders may be present. Specific to L3 processing were the terms Daily and Monthly representing the approximate time coverage of the L3 products. However, the input data granules to the L3 process are complete Global Surveys; in other words a Global Survey was not split in relation to time when input to the L3 processes even if they exceed the usual understood meanings of a day or month. More specifically, Daily L3 products represented a single Global Survey (approximately 26 hours) and Monthly L3 products represent Global Surveys that are initiated within that calendar month. The data granules defined for L3 standard products were daily and monthly.
Low-pressure OH radicals reactor generated by dielectric barrier discharge from water vapor
<p>data for "Low-pressure OH radicals reactor generated by dielectric barrier discharge from water vapor"</p> <p> </p>
The effect of water vapor on methane adsorption in the nanopores of shale
<p>The effect of water vapor on methane adsorption in the nanopores of shale</p>
Magnetic resonance imaging of water vapor absorption in simulated corrugated board
<p>This dataset contains all the raw source data that comprise the study:</p> <p><strong>Magnetic resonance imaging of water vapor absorption in simulated corrugated board </strong></p> <p>Tuomainen TV (1), Silvennoinen J (2), Mattila T (2), Kettunen MI (3), Nissi MJ (1)*</p> <p>Cellulose | DOI: 10.1007/s10570-023-05483-3</p> <p> </p> <p>1: University of Eastern Finland, Department of Technical Physics, Yliopistonranta 8, FI-70211, Kuopio, Finland</p> <p>2: Mondi Powerflute, Selluntie 142, FI-70420, Kuopio Finland</p> <p>3: University of Eastern Finland, A.I. Virtanen Institute for Molecular Sciences, Kuopio Biomedical Imaging Unit, Neulaniementie 2, FI-70150, Kuopio, Finland</p> <p> </p> <p>*Corresponding author: </p> <p>Mikko J. Nissi </p> <p>Department of Technical Physics, UEF </p> <p>POB 1627 </p> <p>FI-70211, Kuopio, Finland </p> <p>mikko.nissi [at] uef.fi </p> <p>+358-50-5955517</p> <p> </p> <p><strong>Study and data description</strong></p> <p>The purpose of this work was to investigate water vapor permeation through a layered structure composing of liner and fluting paperboard materials. The layered structure with paperboards separated with ring spacers was used to simulate the structure of a double-wall cardboard.</p> <p>This dataset contains MRI measurements (RARE pulse sequence) of simulated cardboard assemblies with different fluting materials (Fluting A,B,C) under high humidity. Furthermore, temperature and relative humidity data for possible pre-treatment (in .MAT files) are included.</p> <p>Included folders and files in the <em>paperboard_zenodo_repository.zip</em> are:</p> <ul> <li><strong>prep_paperboard</strong>: Temperature and relative humidity of the pre-treatment for simulated cardboard as .MAT files (can be opened with MATLAB). Two ,MAT-files are included: '14102021_paperboard_flutingCa_nacl_mgcl_RH_t.mat' and '09122021_paperboard_nacl_flutingAB_RH_t.mat'. In the .MAT file regarding Fluting A and Fluting B pre-treated with NaCl (09122021_paperboard_nacl_flutingAB_RH_t.mat) Fluting A is designated as x1NaCl and Fluting B as x2NaCl.</li> <li><strong>MRI_paperboard</strong>: Contains the MRI data as 'fid' and '2dseq' as well as metadata for each experiment obtained at 11.7 T (Bruker)</li> <li><strong>README.txt: </strong>More information on the file and folder structure and datatypes.</li> </ul> <p> </p> <p>Further information is provided in the included <strong>README.txt</strong>.</p>
Trial to Assess the Efficacy and Safety During Convective Radiofrequency Water Vapor Thermal Therapy (REZUM) for Benign Prostate Hyperplasia
ClinicalTrials.gov study NCT07017452. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Evaluation of the Water Vapor Thermal Therapy System for the Treatment of Benign Prostatic Hyperplasia
ClinicalTrials.gov study NCT06725212. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Modified Water Vapor Thermal Therapy in Management of Patients With Large-volume Benign Prostatic Hyperplasia
ClinicalTrials.gov study NCT06596590. IPD Sharing: Not stated. Countries: 1. Publications: 0.
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