-
ALOS-2 PALSAR-2 StripMap Level 2.1
2024년 1월 1일 밤부터 일본 정부 부처 및 관련 기관의 요청에 따라 JAXA는 ALOS-2 PALSAR-2 긴급 관측을 실시했습니다. JAXA는 이러한 긴급 관측 데이터가 재해 관리에 매우 유용할 것으로 예상하여 … alos2 eroc jaxa palsar2 radar sar -
전 세계 3등급 PALSAR-2/PALSAR 숲/비숲 지도
2017~2020년의 4개 클래스가 포함된 이 데이터 세트의 최신 버전은 JAXA/ALOS/PALSAR/YEARLY/FNF4에서 확인할 수 있습니다. 전 세계 25m 해상도 PALSAR-2/PALSAR SAR 모자이크의 SAR 이미지 (백스캐터링 계수)를 분류하여 강한 백스캐터링 픽셀과 약한 백스캐터링 픽셀을 구분하여 전 세계 산림/비산림 지도 (FNF)를 생성합니다. … alos alos2 분류 eroc forest forest-biomass -
전 세계 4등급 PALSAR-2/PALSAR 숲/비숲 지도
전 세계 산림/비산림 지도 (FNF)는 전 세계 25m 해상도 PALSAR-2/PALSAR SAR 모자이크에서 SAR 이미지 (후방 산란 계수)를 분류하여 강한 후방 산란 픽셀이 '산림'으로, 낮은 후방 산란 픽셀이 '비산림'으로 각각 할당되도록 생성됩니다. 여기서 '숲'은 다음과 같은 자연 숲으로 정의됩니다. alos alos2 분류 eroc forest forest-biomass -
전 세계 PALSAR-2/PALSAR 연간 모자이크, 버전 1
2015~2021년 데이터가 포함된 이 데이터 세트의 최신 버전은 JAXA/ALOS/PALSAR/YEARLY/SAR_EPOCH에서 확인할 수 있습니다. 전 세계 25m PALSAR/PALSAR-2 모자이크는 PALSAR/PALSAR-2의 SAR 이미지 스트립을 모자이크하여 만든 원활한 전 세계 SAR 이미지입니다. 각 연도 및 위치에 대해 스트립 데이터가 선택되었습니다. alos alos2 eroc jaxa palsar palsar2 -
전 세계 PALSAR-2/PALSAR 연간 모자이크, 버전 2
전 세계 25m PALSAR/PALSAR-2 모자이크는 PALSAR/PALSAR-2의 SAR 이미지 스트립을 모자이크하여 만든 원활한 전 세계 SAR 이미지입니다. 각 연도 및 위치에 대해 해당 기간 동안 사용 가능한 둘러보기 모자이크를 시각적으로 검사하여 최소한의 … alos alos2 eroc jaxa palsar palsar2 -
PALSAR-2 ScanSAR Level 2.2
25m PALSAR-2 ScanSAR은 관측 폭이 350km인 PALSAR-2 광역 관측 모드의 보정된 후방 산란 데이터입니다. SAR 이미지는 ALOS World 3D - 30m (AW3D30) 디지털 지형 모델을 사용하여 직교 보정 및 경사 보정을 거쳤습니다. 편광 데이터는 다음 위치에 저장됩니다. alos2 eroc jaxa palsar2 radar sar -
Sentinel-1 SAR GRD: C-밴드 합성개구레이더 지상 범위 감지, 로그 크기 조정
Sentinel-1 임무는 5.405GHz (C 대역)의 듀얼 편파 C-밴드 합성개구레이더 (SAR) 기기의 데이터를 제공합니다. 이 컬렉션에는 Sentinel-1 Toolbox를 사용하여 보정된 직교 보정 제품을 생성하기 위해 처리된 S1 지상 거리 감지 (GRD) 장면이 포함되어 있습니다. 컬렉션은 매일 업데이트됩니다. 새 … copernicus esa eu radar sar satellite-imagery
Datasets tagged sar in Earth Engine
[null,null,[],[[["\u003cp\u003eThis page provides access to a variety of SAR datasets, including Sentinel-1 GRD, ALOS-2 PALSAR-2, and global PALSAR mosaics.\u003c/p\u003e\n"],["\u003cp\u003eSentinel-1 GRD offers dual-polarization C-band data, updated daily and processed for calibration and ortho-correction.\u003c/p\u003e\n"],["\u003cp\u003eALOS-2 PALSAR-2 datasets include StripMap and ScanSAR Level 2.1 and 2.2, featuring emergency observation data for disaster management.\u003c/p\u003e\n"],["\u003cp\u003eGlobal PALSAR-2/PALSAR datasets provide yearly mosaics and forest/non-forest maps at 25m resolution.\u003c/p\u003e\n"],["\u003cp\u003eJAXA (Japan Aerospace Exploration Agency) is the primary source for the ALOS and PALSAR datasets.\u003c/p\u003e\n"]]],[],null,["# Datasets tagged sar 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) |\n\n-\n\n |---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n | [### Sentinel-1 SAR GRD: C-band Synthetic Aperture Radar Ground Range Detected, log scaling](/earth-engine/datasets/catalog/COPERNICUS_S1_GRD) |\n | The Sentinel-1 mission provides data from a dual-polarization C-band Synthetic Aperture Radar (SAR) instrument at 5.405GHz (C band). This collection includes the S1 Ground Range Detected (GRD) scenes, processed using the Sentinel-1 Toolbox to generate a calibrated, ortho-corrected product. The collection is updated daily. New ... |\n | [copernicus](/earth-engine/datasets/tags/copernicus) [esa](/earth-engine/datasets/tags/esa) [eu](/earth-engine/datasets/tags/eu) [radar](/earth-engine/datasets/tags/radar) [sar](/earth-engine/datasets/tags/sar) [satellite-imagery](/earth-engine/datasets/tags/satellite-imagery) |"]]