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ALOS-2 PALSAR-2 StripMap レベル 2.1
JAXA は、日本の各省庁や関係機関からの要請に基づき、2024 年 1 月 1 日の夜から ALOS-2 PALSAR-2 の緊急観測を実施しました。JAXA は、これらの緊急観測データが災害管理に非常に有用であると予想しているため、これらのデータを … alos2 eroc jaxa palsar2 radar sar -
世界 3 クラスの PALSAR-2/PALSAR 森林/非森林地図
2017 ~ 2020 年の 4 つのクラスを含むこのデータセットの新しいバージョンは、JAXA/ALOS/PALSAR/YEARLY/FNF4 にあります。グローバルな 25 m 解像度の PALSAR-2/PALSAR SAR モザイク内の SAR 画像(後方散乱係数)を分類して、強い後方散乱ピクセル ... alos alos2 classification eroc forest forest-biomass -
世界 4 クラスの PALSAR-2/PALSAR 森林/非森林地図
グローバルな森林/非森林マップ(FNF)は、25 m 解像度のグローバル PALSAR-2/PALSAR SAR モザイク内の SAR 画像(後方散乱係数)を分類して生成されます。これにより、強い後方散乱ピクセルと低い後方散乱ピクセルがそれぞれ「森林」と「非森林」として割り当てられます。ここでの「森林」とは、次のような自然の森林を指します。 alos alos2 classification eroc forest forest-biomass -
グローバル PALSAR-2/PALSAR 年次モザイク、バージョン 1
2015 ~ 2021 年のデータを含むこのデータセットの新しいバージョンは、JAXA/ALOS/PALSAR/YEARLY/SAR_EPOCH にあります。25 m の PALSAR/PALSAR-2 のグローバル モザイクは、PALSAR/PALSAR-2 の SAR 画像のストリップをモザイク化して作成されたシームレスなグローバル SAR 画像です。年と場所ごとに、ストリップ データが選択されました。 alos alos2 eroc jaxa palsar palsar2 -
グローバル PALSAR-2/PALSAR 年次モザイク、バージョン 2
25 m の PALSAR/PALSAR-2 の全球モザイクは、PALSAR/PALSAR-2 の SAR 画像のストリップをモザイク化して作成された、シームレスな全球 SAR 画像です。年と場所ごとに、その期間に利用可能なブラウジング モザイクを視覚的に検査し、最小の … alos alos2 eroc jaxa palsar palsar2 -
PALSAR-2 ScanSAR レベル 2.2
25 m の PALSAR-2 ScanSAR は、観測幅 350 km の PALSAR-2 広域観測モードの正規化後反射率データです。SAR 画像は、ALOS World 3D - 30 m(AW3D30)デジタル地表モデルを使用してオルソ補正され、傾斜補正されています。偏光データは … に保存されます。 alos2 eroc jaxa palsar2 radar sar
Datasets tagged alos2 in Earth Engine
[null,null,[],[[["\u003cp\u003eThis page provides access to a variety of JAXA ALOS PALSAR and PALSAR-2 datasets, including ScanSAR, StripMap, and mosaic products.\u003c/p\u003e\n"],["\u003cp\u003eDatasets include both raw SAR data and derived products, such as forest/non-forest classifications.\u003c/p\u003e\n"],["\u003cp\u003eGlobal mosaics are available at 25m resolution and are created by mosaicking strips of SAR imagery with careful selection to minimize cloud and snow effects.\u003c/p\u003e\n"],["\u003cp\u003eEmergency observation data from ALOS-2 PALSAR-2, starting January 1st, 2024, is being made available for disaster management purposes.\u003c/p\u003e\n"],["\u003cp\u003eYearly global forest/non-forest maps are available in both 3-class and 4-class versions, distinguishing between forest and non-forest areas with varying levels of detail.\u003c/p\u003e\n"]]],[],null,["# Datasets tagged alos2 in Earth Engine\n\n-\n\n |--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n | [### ALOS-2 PALSAR-2 StripMap Level 2.1](/earth-engine/datasets/catalog/JAXA_ALOS_PALSAR-2_Level2_1_StripMap_202401) |\n | Starting from the night of January 1st, 2024, based on the request from Japanese ministries and related organization, JAXA implemented ALOS-2 PALSAR-2 emergency observation. Since JAXA expects these emergency observation data to be extremely useful for disaster management, JAXA decided to open these data on ... |\n | [alos2](/earth-engine/datasets/tags/alos2) [eroc](/earth-engine/datasets/tags/eroc) [jaxa](/earth-engine/datasets/tags/jaxa) [palsar2](/earth-engine/datasets/tags/palsar2) [radar](/earth-engine/datasets/tags/radar) [sar](/earth-engine/datasets/tags/sar) |\n\n-\n\n |-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n | [### Global 3-class PALSAR-2/PALSAR Forest/Non-Forest Map](/earth-engine/datasets/catalog/JAXA_ALOS_PALSAR_YEARLY_FNF) |\n | A newer version of this dataset with 4 classes for 2017-2020 can be found in JAXA/ALOS/PALSAR/YEARLY/FNF4 The global forest/non-forest map (FNF) is generated by classifying the SAR image (backscattering coefficient) in the global 25m resolution PALSAR-2/PALSAR SAR mosaic so that strong and low backscatter pixels ... |\n | [alos](/earth-engine/datasets/tags/alos) [alos2](/earth-engine/datasets/tags/alos2) [classification](/earth-engine/datasets/tags/classification) [eroc](/earth-engine/datasets/tags/eroc) [forest](/earth-engine/datasets/tags/forest) [forest-biomass](/earth-engine/datasets/tags/forest-biomass) |\n\n-\n\n |-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n | [### Global 4-class PALSAR-2/PALSAR Forest/Non-Forest Map](/earth-engine/datasets/catalog/JAXA_ALOS_PALSAR_YEARLY_FNF4) |\n | The global forest/non-forest map (FNF) is generated by classifying the SAR image (backscattering coefficient) in the global 25m resolution PALSAR-2/PALSAR SAR mosaic so that strong and low backscatter pixels are assigned as \"forest\" and \"non-forest\", respectively. Here, \"forest\" is defined as the natural forest with ... |\n | [alos](/earth-engine/datasets/tags/alos) [alos2](/earth-engine/datasets/tags/alos2) [classification](/earth-engine/datasets/tags/classification) [eroc](/earth-engine/datasets/tags/eroc) [forest](/earth-engine/datasets/tags/forest) [forest-biomass](/earth-engine/datasets/tags/forest-biomass) |\n\n-\n\n |---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n | [### Global PALSAR-2/PALSAR Yearly Mosaic, version 1](/earth-engine/datasets/catalog/JAXA_ALOS_PALSAR_YEARLY_SAR) |\n | A newer version of this dataset with data for 2015-2021 can be found in JAXA/ALOS/PALSAR/YEARLY/SAR_EPOCH The global 25m PALSAR/PALSAR-2 mosaic is a seamless global SAR image created by mosaicking strips of SAR imagery from PALSAR/PALSAR-2. For each year and location, the strip data were selected ... |\n | [alos](/earth-engine/datasets/tags/alos) [alos2](/earth-engine/datasets/tags/alos2) [eroc](/earth-engine/datasets/tags/eroc) [jaxa](/earth-engine/datasets/tags/jaxa) [palsar](/earth-engine/datasets/tags/palsar) [palsar2](/earth-engine/datasets/tags/palsar2) |\n\n-\n\n |-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n | [### Global PALSAR-2/PALSAR Yearly Mosaic, version 2](/earth-engine/datasets/catalog/JAXA_ALOS_PALSAR_YEARLY_SAR_EPOCH) |\n | The global 25m PALSAR/PALSAR-2 mosaic is a seamless global SAR image created by mosaicking strips of SAR imagery from PALSAR/PALSAR-2. For each year and location, the strip data were selected through visual inspection of the browse mosaics available over the period, with those showing minimum ... |\n | [alos](/earth-engine/datasets/tags/alos) [alos2](/earth-engine/datasets/tags/alos2) [eroc](/earth-engine/datasets/tags/eroc) [jaxa](/earth-engine/datasets/tags/jaxa) [palsar](/earth-engine/datasets/tags/palsar) [palsar2](/earth-engine/datasets/tags/palsar2) |\n\n-\n\n |------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n | [### PALSAR-2 ScanSAR Level 2.2](/earth-engine/datasets/catalog/JAXA_ALOS_PALSAR-2_Level2_2_ScanSAR) |\n | The 25 m PALSAR-2 ScanSAR is normalized backscatter data of PALSAR-2 broad area observation mode with observation width of 350 km. The SAR imagery was ortho-rectificatied and slope corrected using the ALOS World 3D - 30 m (AW3D30) Digital Surface Model. Polarization data are stored ... |\n | [alos2](/earth-engine/datasets/tags/alos2) [eroc](/earth-engine/datasets/tags/eroc) [jaxa](/earth-engine/datasets/tags/jaxa) [palsar2](/earth-engine/datasets/tags/palsar2) [radar](/earth-engine/datasets/tags/radar) [sar](/earth-engine/datasets/tags/sar) |"]]