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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
Datasets tagged palsar in Earth Engine
[null,null,[],[[["\u003cp\u003eThis collection provides global 25m resolution PALSAR-2/PALSAR mosaics, including forest/non-forest classifications and yearly SAR mosaics.\u003c/p\u003e\n"],["\u003cp\u003eForest/non-forest maps are available in both 3-class (Global 3-class PALSAR-2/PALSAR Forest/Non-Forest Map) and 4-class (Global 4-class PALSAR-2/PALSAR Forest/Non-Forest Map) versions, classifying areas as forest or non-forest based on backscatter intensity.\u003c/p\u003e\n"],["\u003cp\u003eTwo versions of yearly mosaics are available: version 1 (Global PALSAR-2/PALSAR Yearly Mosaic, version 1) and an updated version 2 (Global PALSAR-2/PALSAR Yearly Mosaic, version 2) with data for 2015-2021, created by mosaicking strips of SAR imagery selected for minimum cloud and snow cover.\u003c/p\u003e\n"],["\u003cp\u003e"Forest" in these datasets is defined as natural forest with tree crown cover greater than 10% and tree height exceeding 5 meters.\u003c/p\u003e\n"]]],[],null,["# Datasets tagged palsar in Earth Engine\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) |"]]