남극 참조 고도 모델 (REMA)은 2미터 및 8미터 공간 해상도의 남극에 대한 고해상도 타임스탬프 디지털 표면 모델 (DSM)입니다.
스트립 DEM 파일은 DigitalGlobe의 극궤도 위성 컨스텔레이션에서 수집한 입력 스테레오 이미지 쌍 스트립의 중첩 영역에 해당합니다. DEM 스트립 크기는 이미지를 획득한 위성 센서와 수집의 오프-나디르 각도에 따라 달라집니다. 대부분의 스트립은 너비가 13~17km이고 길이가 110~120km입니다.
대역
픽셀 크기 2미터
대역
이름
단위
픽셀 크기
설명
elevation
m
미터
고도
matchtag
미터
DEM 픽셀 처리를 나타내는 비트마스크 래스터
matchtag의 비트 마스크
비트 0: Pixel 처리
0: 픽셀이 보간되었습니다.
1: 픽셀이 스테레오 일치에서 파생됨
이용약관
이용약관
국립과학재단 (PGC의 기본 자금 지원 출처) 정책에 따라 연구자는 모든 출판물, 웹페이지, 미디어 인터뷰에서 NSF 지원을 인정해야 합니다.
Earth Engine에서 PGC 데이터를 사용함으로써 사용자는 PGC와 NSF의 후원을 인용하는 데 동의합니다. PGC에서 제공하는 모든 서드 파티 데이터의 원본 소스도 적절하게 표시해야 합니다.
남극 참조 고도 모델 (REMA)은 2m 및 8m 공간 해상도의 남극에 대한 고해상도 타임스탬프 디지털 표면 모델 (DSM)입니다. 스트립 DEM 파일은 DigitalGlobe의 극궤도 위성 군집에서 수집한 입력 스테레오 이미지 쌍 스트립의 중첩 영역에 해당합니다. 스트립 …
[null,null,[],[[["\u003cp\u003eREMA is a high-resolution Digital Surface Model (DSM) of Antarctica, available at 2-meter and 8-meter resolutions.\u003c/p\u003e\n"],["\u003cp\u003eIt covers the period from 2009 to 2018 and is derived from stereoscopic imagery collected by DigitalGlobe's satellites.\u003c/p\u003e\n"],["\u003cp\u003eThe dataset is provided by the University of Minnesota Polar Geospatial Center (PGC) and is available in Earth Engine.\u003c/p\u003e\n"],["\u003cp\u003eUsers must acknowledge NSF support and properly attribute PGC and any third-party data sources when using this dataset.\u003c/p\u003e\n"],["\u003cp\u003eREMA provides elevation data and a matchtag band indicating pixel processing information.\u003c/p\u003e\n"]]],[],null,["# REMA Strips 2m\n\nDataset Availability\n: 2009-01-01T00:00:00Z--2018-01-01T00:00:00Z\n\nDataset Provider\n:\n\n\n [University of Minnesota Polar Geospatial Center](https://www.pgc.umn.edu/data/arcticdem/)\n\nTags\n:\n[dem](/earth-engine/datasets/tags/dem) [elevation-topography](/earth-engine/datasets/tags/elevation-topography) [geophysical](/earth-engine/datasets/tags/geophysical) [pgc](/earth-engine/datasets/tags/pgc) [rema](/earth-engine/datasets/tags/rema) [umn](/earth-engine/datasets/tags/umn) \n\n#### Description\n\nThe Reference Elevation Model of Antarctica (REMA) is a high resolution,\ntime-stamped Digital Surface Model (DSM) of Antarctica at 2-meter and 8-meter\nspatial resolutions.\n\nStrip DEM files correspond to the overlapping area of the input stereoscopic\nimagery pair strips as they are collected by DigitalGlobe's constellation\nof polar-orbiting satellites. Strip DEM dimensions will vary according to\nthe satellite sensor that acquired the images and the off-nadir angle of\ncollection. Most strips are between 13 km and 17 km in width, and 110 km\nand 120 km in length.\n\n### Bands\n\n\n**Pixel Size**\n\n2 meters\n\n**Bands**\n\n| Name | Units | Pixel Size | Description |\n|-------------|-------|------------|-------------------------------------------------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|\n| `elevation` | m | meters | Elevation |\n| `matchtag` | | meters | Bitmask raster indicating DEM pixels processing |\n| Bitmask for matchtag - Bit 0: Pixel processing - 0: Pixels have been interpolated - 1: Pixels are derived from a stereo match ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||\n\n### Terms of Use\n\n**Terms of Use**\n\nNational Science Foundation (PGC's primary funding source) policy requires\nresearchers to acknowledge NSF support in all publications, web pages, and\nmedia interviews.\n\nBy using PGC data in Earth Engine, users agree to cite PGC\nand its sponsorship by the NSF. The original source of any third-party data\nsupplied by PGC must also be properly attributed.\n\nFor more information see the PGC's\n[Acknowledgement Policy](https://www.pgc.umn.edu/guides/user-services/acknowledgement-policy/).\n\n### Citations\n\nCitations:\n\n- Howat, I. M., Porter, C., Smith, B. E., Noh, M.-J., and Morin, P.:\n The Reference Elevation Model of Antarctica, The Cryosphere, 13, 665-674, 2019.\n\n### DOIs\n\n- \u003chttps://doi.org/10.5194/tc-13-665-2019\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 collection = ee.ImageCollection('UMN/PGC/REMA/V1/2m');\n\nMap.setCenter(-60, -75, 3);\n\nvar elevationVis = {\n bands: ['elevation'],\n min: -50.0,\n max: 1000.0,\n palette: ['0d13d8', '60e1ff', 'ffffff'],\n};\n\nMap.addLayer(collection, elevationVis, 'REMA_DEM_strips_2m');\n```\n[Open in Code Editor](https://code.earthengine.google.com/?scriptPath=Examples:Datasets/UMN/UMN_PGC_REMA_V1_2m) \n[REMA Strips 2m](/earth-engine/datasets/catalog/UMN_PGC_REMA_V1_2m) \nThe Reference Elevation Model of Antarctica (REMA) is a high resolution, time-stamped Digital Surface Model (DSM) of Antarctica at 2-meter and 8-meter spatial resolutions. Strip DEM files correspond to the overlapping area of the input stereoscopic imagery pair strips as they are collected by DigitalGlobe's constellation of polar-orbiting satellites. Strip ... \nUMN/PGC/REMA/V1/2m, dem,elevation-topography,geophysical,pgc,rema,umn \n2009-01-01T00:00:00Z/2018-01-01T00:00:00Z \n-88.3 -180 -53.8 180 \nGoogle Earth Engine \nhttps://developers.google.com/earth-engine/datasets\n\n- [https://doi.org/10.5194/tc-13-665-2019](https://doi.org/https://www.pgc.umn.edu/data/arcticdem/)\n- [https://doi.org/10.5194/tc-13-665-2019](https://doi.org/https://developers.google.com/earth-engine/datasets/catalog/UMN_PGC_REMA_V1_2m)"]]
