L'ensemble de données "Ocean Near-Surface Atmospheric Properties" fait partie du NOAA
Ocean Surface Bundle (OSB) et fournit un enregistrement de données climatiques (CDR) de haute qualité sur la température de l'air, la vitesse du vent et l'humidité spécifique au-dessus des surfaces océaniques sans glace.
Ces propriétés atmosphériques sont calculées à partir des données de température de luminosité du Special Sensor Microwave/Imager (SSM/I) et du Special Sensor Microwave/Imager Sounder (SSMIS) sur le vaisseau spatial du Defense Meteorological Satellite Program (DMSP), à l'aide d'un réseau de neurones.
Bracelets
Taille des pixels 27830 mètres
Bandes de fréquences
Nom
Unités
Min
Max
Taille des pixels
Description
air_temperature
°C
-42,16*
42,77*
mètres
Température de l'air à 10 m
specific_humidity
g/kg
0,07*
37,06*
mètres
Humidité spécifique à 10 m
wind_speed
m/s
0.13*
71,45*
mètres
Vitesse du vent à 10 m
fill_missing_qc
mètres
Indicateurs de contrôle qualité
Masque de bits pour fill_missing_qc
Bits 0 à 2 : indicateurs de contrôle qualité
0 : valeurs de pixels issues du réseau de neurones
1 : Option inutilisée
2: Neige/Verglas
3 : Au-dessus des terres
4 : Au-dessus d'un lac
5 : Échec de l'interpolation
* valeur minimale ou maximale estimée
Conditions d'utilisation
Conditions d'utilisation
Le point de distribution officiel des CDR du programme NOAA CDR est le National Climatic Data Center de la NOAA, qui offre un accès ouvert et durable ainsi qu'une gestion active des données des packages CDR et des informations associées, conformément aux politiques et pratiques en matière d'ouverture des données des États-Unis, telles que décrites dans le mémorandum du président sur la "Politique d'ouverture des données" et conformément au décret du 9 mai 2013, "Making Open and Machine Readable the New Default for Government Information". Conformément à ces règles, les ensembles de données CDR ne sont pas propriétaires, sont accessibles au public et aucune restriction n'est imposée à leur utilisation. Pour en savoir plus, consultez le PDF Fair Use of NOAA's CDR Data Sets, Algorithms and Documentation.
Citations
Citations :
Clayson, Carol Anne, Brown, Jeremiah et NOAA CDR Program (2016). Ensemble de données climatiques NOAA (OSB) Enregistrement des données climatiques (CDR) des propriétés atmosphériques proches de la surface, version 2. [indiquer le sous-ensemble
utilisé]. NOAA National ClimaticData Center. doi:10.7289/V55T3HH0.
L'ensemble de données sur les propriétés atmosphériques de surface de l'océan fait partie du NOAA Ocean Surface Bundle (OSB) et fournit un enregistrement de données climatiques (CDR) de haute qualité sur la température de l'air, la vitesse du vent et l'humidité spécifique au-dessus des surfaces océaniques sans glace. Ces propriétés atmosphériques sont calculées à partir des données de température de luminosité du capteur spécial …
[null,null,[],[[["\u003cp\u003eThe NOAA Ocean Near-Surface Atmospheric Properties dataset provides hourly data on air temperature, wind speed, and specific humidity over ice-free oceans from 1988 to 2021.\u003c/p\u003e\n"],["\u003cp\u003eThe dataset, part of the NOAA Ocean Surface Bundle (OSB), is derived from satellite measurements using a neural network to calculate atmospheric properties.\u003c/p\u003e\n"],["\u003cp\u003eData is available at a resolution of 27830 meters and includes quality control flags to identify potentially problematic pixels.\u003c/p\u003e\n"],["\u003cp\u003eThis Climate Data Record (CDR) is freely available for research and non-commercial use, with no restrictions on its application.\u003c/p\u003e\n"],["\u003cp\u003eThe dataset is hosted on Google Earth Engine and can be accessed and analyzed using their platform and tools.\u003c/p\u003e\n"]]],["The NOAA Ocean Near-Surface Atmospheric Properties dataset (1988-2021) offers a Climate Data Record (CDR) of air temperature, wind speed, and specific humidity over ice-free oceans, available at a 3-hour cadence. Data is derived from Special Sensor Microwave/Imager (SSM/I) brightness temperature data using a neural network. The dataset's spatial resolution is 27830 meters. The NOAA CDR Program ensures open, unrestricted access to these datasets.\n"],null,["# NOAA CDR: Ocean Near-Surface Atmospheric Properties, Version 2\n\nDataset Availability\n: 1988-01-01T00:00:00Z--2021-08-31T00:00:00Z\n\nDataset Provider\n:\n\n\n [NOAA](https://www.ncdc.noaa.gov/cdr/atmospheric/ocean-near-surface-atmospheric-properties)\n\nCadence\n: 3 Hours\n\nTags\n:\n [atmospheric](/earth-engine/datasets/tags/atmospheric) [cdr](/earth-engine/datasets/tags/cdr) [hourly](/earth-engine/datasets/tags/hourly) [humidity](/earth-engine/datasets/tags/humidity) [noaa](/earth-engine/datasets/tags/noaa) [ocean](/earth-engine/datasets/tags/ocean) [oceans](/earth-engine/datasets/tags/oceans) [osb](/earth-engine/datasets/tags/osb) [wind](/earth-engine/datasets/tags/wind) \nair-temperature \n\n#### Description\n\nThe Ocean Near-Surface Atmospheric Properties dataset is part of the NOAA\nOcean Surface Bundle (OSB) and provides a high quality Climate Data Record\n(CDR) of air temperature, wind speed, and specific humidity over ice-free\nocean surfaces.\n\nThese atmospheric properties are calculated based on brightness temperature\ndata from the Special Sensor Microwave/Imager (SSM/I) and the Special Sensor\nMicrowave/Imager Sounder (SSMIS) on the Defense Meteorological Satellite\nProgram (DMSP) spacecraft, using a neural network.\n\n### Bands\n\n\n**Pixel Size**\n\n27830 meters\n\n**Bands**\n\n| Name | Units | Min | Max | Pixel Size | Description |\n|---------------------|-------|----------|---------|------------|--------------------------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|\n| `air_temperature` | °C | -42.16\\* | 42.77\\* | meters | Air temperature at 10m |\n| `specific_humidity` | g/kg | 0.07\\* | 37.06\\* | meters | Specific humidity at 10m |\n| `wind_speed` | m/s | 0.13\\* | 71.45\\* | meters | Wind speed at 10m |\n| `fill_missing_qc` | | | | meters | Quality control flags |\n| Bitmask for fill_missing_qc - Bits 0-2: Quality control flags - 0: Pixel values from neural network - 1: Unused flag - 2: Snow/ice - 3: Over land - 4: Over lake - 5: Failed interpolation ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||\n\n\\* estimated min or max value\n\n### Terms of Use\n\n**Terms of Use**\n\nThe NOAA CDR Program's official distribution point for CDRs is NOAA's\nNational Climatic Data Center which provides sustained, open access and\nactive data management of the CDR packages and related information in\nkeeping with the United States' open data policies and practices as\ndescribed in the President's Memorandum on \"Open Data Policy\" and pursuant\nto the Executive Order of May 9, 2013, \"Making Open and Machine Readable\nthe New Default for Government Information\". In line with these policies,\nthe CDR data sets are nonproprietary, publicly available, and no\nrestrictions are placed upon their use. For more information, see the\n[Fair Use of NOAA's CDR Data Sets, Algorithms and Documentation](https://www1.ncdc.noaa.gov/pub/data/sds/cdr/CDRs/Aerosol_Optical_Thickness/UseAgreement_01B-04.pdf)\npdf.\n\n### Citations\n\nCitations:\n\n- Clayson, Carol Anne, Brown, Jeremiah, and NOAA CDR Program (2016). NOAA\n Climate Data Record Ocean Surface Bundle (OSB) Climate Data Record\n (CDR) of Near-surface Atmospheric Properties, Version 2. \\[indicate subset\n used\\]. NOAA National ClimaticData Center. [doi:10.7289/V55T3HH0](https://doi.org/10.7289/V55T3HH0).\n\n### DOIs\n\n- \u003chttps://doi.org/10.7289/V55T3HH0\u003e\n\n### Explore with Earth Engine\n\n| **Important:** Earth Engine is a platform for petabyte-scale scientific analysis and visualization of geospatial datasets, both for public benefit and for business and government users. Earth Engine is free to use for research, education, and nonprofit use. To get started, please [register for Earth Engine access.](https://console.cloud.google.com/earth-engine)\n\n### Code Editor (JavaScript)\n\n```javascript\nvar dataset = ee.ImageCollection('NOAA/CDR/ATMOS_NEAR_SURFACE/V2')\n .filter(ee.Filter.date('2017-05-01', '2017-05-02'));\nvar airTemperature = dataset.select('air_temperature');\nvar airTemperatureVis = {\n min: 0.0,\n max: 30.0,\n palette: [\n '040274', '040281', '0502a3', '0502b8', '0502ce', '0502e6',\n '0602ff', '235cb1', '307ef3', '269db1', '30c8e2', '32d3ef',\n '3be285', '3ff38f', '86e26f', '3ae237', 'b5e22e', 'd6e21f',\n 'fff705', 'ffd611', 'ffb613', 'ff8b13', 'ff6e08', 'ff500d',\n 'ff0000', 'de0101', 'c21301', 'a71001', '911003'\n ],\n};\nMap.setCenter(28.3, -28.1, 1);\nMap.addLayer(airTemperature, airTemperatureVis, 'Air Temperature');\n```\n[Open in Code Editor](https://code.earthengine.google.com/?scriptPath=Examples:Datasets/NOAA/NOAA_CDR_ATMOS_NEAR_SURFACE_V2) \n[NOAA CDR: Ocean Near-Surface Atmospheric Properties, Version 2](/earth-engine/datasets/catalog/NOAA_CDR_ATMOS_NEAR_SURFACE_V2) \nThe Ocean Near-Surface Atmospheric Properties dataset is part of the NOAA Ocean Surface Bundle (OSB) and provides a high quality Climate Data Record (CDR) of air temperature, wind speed, and specific humidity over ice-free ocean surfaces. These atmospheric properties are calculated based on brightness temperature data from the Special Sensor ... \nNOAA/CDR/ATMOS_NEAR_SURFACE/V2, atmospheric,cdr,hourly,humidity,noaa,ocean,oceans,osb,wind \n1988-01-01T00:00:00Z/2021-08-31T00:00:00Z \n-90 -180 90 180 \nGoogle Earth Engine \nhttps://developers.google.com/earth-engine/datasets\n\n- [https://doi.org/10.7289/V55T3HH0](https://doi.org/https://www.ncdc.noaa.gov/cdr/atmospheric/ocean-near-surface-atmospheric-properties)\n- [https://doi.org/10.7289/V55T3HH0](https://doi.org/https://developers.google.com/earth-engine/datasets/catalog/NOAA_CDR_ATMOS_NEAR_SURFACE_V2)"]]
