Global Satellite Mapping of Precipitation (GSMaP) menyediakan laju hujan per jam global dengan resolusi 0,1 x 0,1 derajat. GSMaP
adalah produk dari misi Global Precipitation Measurement (GPM),
yang memberikan pengamatan presipitasi global pada interval tiga jam. Nilai diperkirakan menggunakan radiometer inframerah dan gelombang mikro pasif multi-band dari satelit GPM Core Observatory dan dengan bantuan konstelasi satelit lainnya. Algoritma pengambilan laju presipitasi GPM didasarkan pada model transfer radiatif. Tingkat yang disesuaikan dengan pengukur dihitung berdasarkan
pengoptimalan akumulasi 24 jam laju hujan per jam GSMaP
terhadap presipitasi harian berdasarkan pengukuran pengukur NOAA/CPC.
Set data ini diproses oleh algoritma GSMaP versi 7 (versi produk 4).
Lihat Dokumentasi Teknis GSMaP
untuk mengetahui detail selengkapnya.
Set data ini berisi produk sementara GSMaP_NRT yang secara rutin diganti dengan versi yang diperbarui saat data GSMaP_MVK tersedia.
Produk ditandai dengan properti metadata yang disebut ''status''.
Saat produk pertama kali tersedia, nilai properti adalah ''provisional''. Setelah produk sementara diperbarui dengan versi final, nilai ini akan diperbarui menjadi ''permanent''.
Untuk mengetahui informasi selengkapnya, lihat
Dokumentasi Umum
Band
Ukuran Piksel 11132 meter
Band
Nama
Unit
Min
Maks
Ukuran Piksel
Deskripsi
hourlyPrecipRate
mm/jam
0*
204,88*
meter
Snapshot tingkat presipitasi per jam
hourlyPrecipRateGC
mm/jam
0*
200,36*
meter
Snapshot laju presipitasi per jam disesuaikan dengan alat pengukur hujan
observationTimeFlag
j
-124,72*
16.06*
meter
Waktu relatif dari waktu mulai file
hingga waktu pengamatan radiometer gelombang mikro (imager/sounder).
Jika tidak ada pengamatan dalam periode per jam, waktu akan menjadi jumlah jam negatif sejak pengamatan terakhir.
satelliteInfoFlag
meter
Satelit/sensor yang digunakan
Bitmask untuk satelliteInfoFlag
Bit 0: Data IR Gabungan Global NOAA/CPC
0: Tidak
1: Ya
Bit 1: TRMM/TMI
0: Tidak
1: Ya
Bit 2: GPM-Core/GMI
0: Tidak
1: Ya
Bit 3: Megha-Tropiques/MADRAS
0: Tidak
1: Ya
Bit 4: Megha-Tropiques/SAPHIR
0: Tidak
1: Ya
Bit 5: ADEOS-II/AMSR
0: Tidak
1: Ya
Bit 6: Aqua/AMSR-E
0: Tidak
1: Ya
Bit 7: GCOM-W1/AMSR2
0: Tidak
1: Ya
Bit 8: GCOM-W2/AMSR2
0: Tidak
1: Ya
Bit 9: GCOM-W3/AMSR2
0: Tidak
1: Ya
Bit 10: DMSP-F11/SSM/I
0: Tidak
1: Ya
Bit 11: DMSP-F13/SSM/I
0: Tidak
1: Ya
Bit 12: DMSP-F14/SSM/I
0: Tidak
1: Ya
Bit 13: DMSP-F15/SSM/I
0: Tidak
1: Ya
Bit 14: DMSP-F16/SSM/I
0: Tidak
1: Ya
Bit 15: DMSP-F17/SSM/I
0: Tidak
1: Ya
Bit 16: DMSP-F18/SSM/I
0: Tidak
1: Ya
Bit 17: DMSP-F19/SSM/I
0: Tidak
1: Ya
Bit 18: DMSP-F20/SSM/I
0: Tidak
1: Ya
Bit 19: NOAA-15/AMSU-A/B
0: Tidak
1: Ya
Bit 20: NOAA-16/AMSU-A/B
0: Tidak
1: Ya
Bit 21: NOAA-17/AMSU-A/B
0: Tidak
1: Ya
Bit 22: NOAA-18/AMSU-A/B
0: Tidak
1: Ya
Bit 23: NOAA-19/AMSU-A/B
0: Tidak
1: Ya
Bit 24: NPP/ATMS
0: Tidak
1: Ya
Bit 25: JPSS-1/ATMS
0: Tidak
1: Ya
Bit 26: MetOp-A/AMSU-A/MHS
0: Tidak
1: Ya
Bit 27: MetOp-B/AMSU-A/MHS
0: Tidak
1: Ya
Bit 28: MetOp-C/AMSU-A/MHS
0: Tidak
1: Ya
gaugeQualityInfo
jumlah/d
0*
121*
meter
Keberadaan penyesuaian pengukur saat statusnya 'sementara', 1 menunjukkan disesuaikan dan 0 tidak disesuaikan.
Jika statusnya 'permanen', nilai piksel adalah rata-rata
harian jumlah pengukur yang digunakan untuk penyesuaian dalam piksel.
* perkiraan nilai min atau maks
Properti Gambar
Properti Gambar
Nama
Jenis
Deskripsi
AlgorithmID
STRING
Algoritma yang menghasilkan produk ini, misalnya, 3GSMAPH
AlgorithmVersion
STRING
Versi algoritma yang menghasilkan produk ini
ProductVersion
STRING
Versi data yang ditetapkan oleh sistem pemrosesan
GenerationDateTime
STRING
Tanggal dan waktu saat butiran ini dibuat
status
STRING
Permanen atau sementara
Persyaratan Penggunaan
Persyaratan Penggunaan
Siapa pun yang ingin memublikasikan hasil apa pun menggunakan data dari JAXA Global Rainfall Watch System harus secara jelas menyatakan kepemilikan data tersebut dalam publikasi (misalnya, 'Global Rainfall Map in Near-Real-Time (GSMaP_NRT) by JAXA Global Rainfall Watch' diproduksi dan didistribusikan oleh Earth Observation Research Center, Japan Aerospace Exploration Agency). Jika Anda telah mendapatkan manfaat dari produk curah hujan GSMaP, kutip makalah utama yang tercantum di bawah. Untuk informasi tambahan, buka Kebijakan Situs JAXA dan Panduan Pengguna.
Kutipan
Kutipan:
Kubota, T., K. Aonashi, T. Ushio, S. Shige, Y. Virginia Takayabu, M. Kachi,
Y. Arai, T. Tashima, T. Masaki, N. Kawamoto, T. Mega, M. K. Yamamoto,
A. Hamada, M. Yamaji, G. Liu dan R. Oki 2020: Global Satellite Mapping of
Precipitation (GSMaP) products in the GPM era, Satellite precipitation
measurement, Springer, https://doi.org/10.1007/978-3-030-24568-9_20.
Global Satellite Mapping of Precipitation (GSMaP) menyediakan laju hujan per jam global dengan resolusi 0,1 x 0,1 derajat. GSMaP adalah produk dari misi Global Precipitation Measurement (GPM), yang memberikan pengamatan presipitasi global dengan interval tiga jam. Nilai diperkirakan menggunakan radiometer inframerah dan gelombang mikro pasif multi-band dari …
[null,null,[],[[["\u003cp\u003eThe GSMaP dataset provides global hourly precipitation rates at a 0.1 x 0.1 degree resolution from March 2014 to December 2024.\u003c/p\u003e\n"],["\u003cp\u003eIt utilizes data from the GPM mission and a constellation of satellites, employing passive microwave and infrared radiometers for precipitation estimation.\u003c/p\u003e\n"],["\u003cp\u003eThe dataset includes both near-real-time (provisional) and final (permanent) products, with gauge-adjusted precipitation rates available.\u003c/p\u003e\n"],["\u003cp\u003eUsers are required to acknowledge JAXA as the data provider when publishing results based on GSMaP data.\u003c/p\u003e\n"],["\u003cp\u003eThe dataset is accessible through Google Earth Engine and is freely available for research, education, and nonprofit use.\u003c/p\u003e\n"]]],["The JAXA Global Satellite Mapping of Precipitation (GSMaP) dataset, available from March 1, 2014, to February 22, 2025, offers hourly global rain rate data at a 0.1 x 0.1-degree resolution. Derived from the GPM mission, data are collected using multi-band passive microwave and infrared radiometers. The dataset provides `hourlyPrecipRate`, `hourlyPrecipRateGC` and other metrics, with data updated from provisional to permanent status. Data can be accessed using Earth Engine with a relevant code snippet.\n"],null,["Dataset Availability\n: 2014-03-01T00:00:00Z--2025-08-31T14:00:00Z\n\nDataset Provider\n:\n\n\n [JAXA Earth Observation Research Center](https://sharaku.eorc.jaxa.jp/GSMaP/)\n\nCadence\n: 1 Hour\n\nTags\n:\n[climate](/earth-engine/datasets/tags/climate) [geophysical](/earth-engine/datasets/tags/geophysical) [gpm](/earth-engine/datasets/tags/gpm) [hourly](/earth-engine/datasets/tags/hourly) [jaxa](/earth-engine/datasets/tags/jaxa) [precipitation](/earth-engine/datasets/tags/precipitation) [weather](/earth-engine/datasets/tags/weather) \n\nDescription \nGlobal Satellite Mapping of Precipitation (GSMaP) provides\na global hourly rain rate with a 0.1 x 0.1 degree resolution. GSMaP\nis a product of the Global Precipitation Measurement (GPM) mission,\nwhich provides global precipitation observations at three hour\nintervals. Values are estimated using multi-band passive microwave\nand infrared radiometers from the GPM Core Observatory satellite\nand with the assistance of a constellation of other satellites. GPM's\nprecipitation rate retrieval algorithm is based on a radiative\ntransfer model. The gauge-adjusted rate is calculated based on\nthe optimization of the 24h accumulation of GSMaP hourly rain rate\nto daily precipitation by NOAA/CPC gauge measurement.\nThis dataset is processed by GSMaP algorithm version 7 (product version 4).\nSee [GSMaP Technical Documentation](https://www.eorc.jaxa.jp/GPM/doc/product/format/en/07.GPM_GSMaP_Product_Format_V5_E.pdf)\nfor more details.\n\nThis dataset contains provisional products GSMaP_NRT that are\nregularly replaced with updated versions when the GSMaP_MVK data\nbecome available.\nThe products are marked with a metadata property called ''status''.\nWhen a product is initially made available, the property value\nis ''provisional''. Once a provisional product has been updated\nwith the final version, this value is updated to ''permanent''.\nFor more information please refer\n[General Documentation](https://eolp.jaxa.jp/GSMaP_Hourly.html)\n\nBands\n\n\n**Pixel Size**\n\n11132 meters\n\n**Bands**\n\n| Name | Units | Min | Max | Pixel Size | Description |\n|-----------------------|---------|-----------|----------|------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|\n| `hourlyPrecipRate` | mm/hr | 0\\* | 204.88\\* | meters | Snapshot of hourly precipitation rate |\n| `hourlyPrecipRateGC` | mm/hr | 0\\* | 200.36\\* | meters | Snapshot of hourly precipitation rate adjusted to rain gauge |\n| `observationTimeFlag` | h | -124.72\\* | 16.06\\* | meters | Relative time from the starting time of the file to the time of microwave radiometer (imager/sounder) observing. If no observation exists within the hourly window, the time will be the negative number of hours since the last observation. |\n| `satelliteInfoFlag` | | | | meters | Satellite/sensor used |\n| Bitmask for satelliteInfoFlag - Bit 0: NOAA/CPC Globally Merged IR data - 0: No - 1: Yes - Bit 1: TRMM/TMI - 0: No - 1: Yes - Bit 2: GPM-Core/GMI - 0: No - 1: Yes - Bit 3: Megha-Tropiques/MADRAS - 0: No - 1: Yes - Bit 4: Megha-Tropiques/SAPHIR - 0: No - 1: Yes - Bit 5: ADEOS-II/AMSR - 0: No - 1: Yes - Bit 6: Aqua/AMSR-E - 0: No - 1: Yes - Bit 7: GCOM-W1/AMSR2 - 0: No - 1: Yes - Bit 8: GCOM-W2/AMSR2 - 0: No - 1: Yes - Bit 9: GCOM-W3/AMSR2 - 0: No - 1: Yes - Bit 10: DMSP-F11/SSM/I - 0: No - 1: Yes - Bit 11: DMSP-F13/SSM/I - 0: No - 1: Yes - Bit 12: DMSP-F14/SSM/I - 0: No - 1: Yes - Bit 13: DMSP-F15/SSM/I - 0: No - 1: Yes - Bit 14: DMSP-F16/SSM/I - 0: No - 1: Yes - Bit 15: DMSP-F17/SSM/I - 0: No - 1: Yes - Bit 16: DMSP-F18/SSM/I - 0: No - 1: Yes - Bit 17: DMSP-F19/SSM/I - 0: No - 1: Yes - Bit 18: DMSP-F20/SSM/I - 0: No - 1: Yes - Bit 19: NOAA-15/AMSU-A/B - 0: No - 1: Yes - Bit 20: NOAA-16/AMSU-A/B - 0: No - 1: Yes - Bit 21: NOAA-17/AMSU-A/B - 0: No - 1: Yes - Bit 22: NOAA-18/AMSU-A/B - 0: No - 1: Yes - Bit 23: NOAA-19/AMSU-A/B - 0: No - 1: Yes - Bit 24: NPP/ATMS - 0: No - 1: Yes - Bit 25: JPSS-1/ATMS - 0: No - 1: Yes - Bit 26: MetOp-A/AMSU-A/MHS - 0: No - 1: Yes - Bit 27: MetOp-B/AMSU-A/MHS - 0: No - 1: Yes - Bit 28: MetOp-C/AMSU-A/MHS - 0: No - 1: Yes ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||\n| `gaugeQualityInfo` | count/d | 0\\* | 121\\* | meters | Existence of gauge adjustment when the status is 'provisional', 1 indicates adjusted and 0 is non-adjusted. When the status is 'permanent', the pixel value is the daily average of number of gauges used for adjustment in the pixel. |\n\n\\* estimated min or max value\n\nImage Properties\n\n**Image Properties**\n\n| Name | Type | Description |\n|--------------------|--------|----------------------------------------------------------|\n| AlgorithmID | STRING | The algorithm that generated this product, e.g., 3GSMAPH |\n| AlgorithmVersion | STRING | The version of the algorithm that generated this product |\n| ProductVersion | STRING | The data version assigned by the processing system |\n| GenerationDateTime | STRING | The date and time this granule was generated |\n| status | STRING | Permanent or provisional |\n\nTerms of Use\n\n**Terms of Use**\n\nAnyone wishing to publish any results using the data\nfrom the JAXA Global Rainfall Watch System should clearly acknowledge\nthe ownership of the data in the publication (for example, ' Global\nRainfall Map in Near-Real-Time (GSMaP_NRT) by JAXA Global Rainfall\nWatch' was produced and distributed by the Earth Observation Research\nCenter, Japan Aerospace Exploration Agency). If you have benefited\nfrom GSMaP rainfall products, please cite the major papers listed\nbelow. For additional information, please visit the [JAXA Site\nPolicy](https://global.jaxa.jp/policy.html) and the [Users Guide](https://sharaku.eorc.jaxa.jp/GSMaP/guide.html).\n\nCitations \nCitations:\n\n- Kubota, T., K. Aonashi, T. Ushio, S. Shige, Y. N. Takayabu, M. Kachi,\n Y. Arai, T. Tashima, T. Masaki, N. Kawamoto, T. Mega, M. K. Yamamoto,\n A. Hamada, M. Yamaji, G. Liu and R. Oki 2020: Global Satellite Mapping of\n Precipitation (GSMaP) products in the GPM era, Satellite precipitation\n measurement, Springer, https://doi.org/10.1007/978-3-030-24568-9_20.\n\nDOIs\n\n- \u003chttps://doi.org/10.57746/EO.01gs73bkt358gfpy92y2qns5e9\u003e\n\nExplore with Earth Engine **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\nCode Editor (JavaScript) \n\n```javascript\nvar dataset = ee.ImageCollection('JAXA/GPM_L3/GSMaP/v7/operational')\n .filter(ee.Filter.date('2023-09-10', '2023-09-11'));\nvar precipitation = dataset.select('hourlyPrecipRate');\nvar precipitationVis = {\n min: 0.0,\n max: 10.0,\n palette:\n ['1621a2', 'ffffff', '03ffff', '13ff03', 'efff00', 'ffb103', 'ff2300'],\n};\nMap.setCenter(-90.7, 26.12, 3);\nMap.addLayer(precipitation, precipitationVis, 'Precipitation');\n```\n[Open in Code Editor](https://code.earthengine.google.com/?scriptPath=Examples:Datasets/JAXA/JAXA_GPM_L3_GSMaP_v7_operational) \n[GSMaP Operational: Global Satellite Mapping of Precipitation - V7](/earth-engine/datasets/catalog/JAXA_GPM_L3_GSMaP_v7_operational) \nGlobal Satellite Mapping of Precipitation (GSMaP) provides a global hourly rain rate with a 0.1 x 0.1 degree resolution. GSMaP is a product of the Global Precipitation Measurement (GPM) mission, which provides global precipitation observations at three hour intervals. Values are estimated using multi-band passive microwave and infrared radiometers from ... \nJAXA/GPM_L3/GSMaP/v7/operational, climate,geophysical,gpm,hourly,jaxa,precipitation,weather \n2014-03-01T00:00:00Z/2025-08-31T14:00:00Z \n-60 -180 60 180 \nGoogle Earth Engine \nhttps://developers.google.com/earth-engine/datasets\n\n- [https://doi.org/10.57746/EO.01gs73bkt358gfpy92y2qns5e9](https://doi.org/https://sharaku.eorc.jaxa.jp/GSMaP/)\n- [https://doi.org/10.57746/EO.01gs73bkt358gfpy92y2qns5e9](https://doi.org/https://developers.google.com/earth-engine/datasets/catalog/JAXA_GPM_L3_GSMaP_v7_operational)"]]
