Murray Global Intertidal Change Dataset,707.528 Landsat Archive görüntüsünün denetimli sınıflandırılmasıyla üretilen gelgit düzlüğü ekosistemlerinin küresel haritalarını içerir. Her piksel, küresel olarak dağıtılmış bir eğitim verileri grubu referans alınarak gelgit düzlüğü, kalıcı su veya diğer olarak sınıflandırıldı.
Sınıflandırma, 1 Ocak 1984 ile 31 Aralık 2016 tarihleri arasında 60° Kuzey ve 60° Güney enlemleri arasındaki tüm küresel kıyı şeridi boyunca uygulandı.
Resim koleksiyonu, belirli zaman aralıkları (1984-1986; 1987-1989; 1990-1992; 1993-1995; 1996-1998; 1999-2001; 2002-2004; 2005-2007; 2008-2010; 2011-2013; 2014-2016) için 30 m piksel çözünürlükte gelgit düzlüklerinin 11 küresel haritasının zaman serisinden oluşur.
Gelgit düzlüğü sınıflandırıcısının, yükseklik (+100 m) ve derinlik (-100 m) sınırlarıyla tanımlanan şekilde uygulanmasının mekansal sınırlarını gösteren işaret.
Bantlar
Piksel Boyutu 30 metre
Bantlar
Ad
Birimler
Piksel Boyutu
Açıklama
datamask
tekrar
metre
Verilerin dahil edildiğini gösteren bir işaret.
Veri maskesi için bit maskesi
Bit 0: Veri maskesi
0: Veri yok
1: Sınıflandırılmış alan
Kullanım Şartları
Kullanım Şartları
Bu çalışma, Creative Commons Attribution 4.0 Uluslararası Lisansı ile lisanslıdır.
Gelgitler arası verilerin herhangi bir kullanımında, ilgili makalenin alıntılanması da dahil olmak üzere uygun bir onay verilmelidir.
Alıntılar
Alıntılar:
Murray, N.J., Phinn, S.R., DeWitt, M., Ferrari, R., Johnston, R., Lyons, M.B.,
Clinton, N., Thau, D. & Fuller, R.A. (2019) The global distribution and
trajectory of tidal flats. Nature, 565, 222-225.
doi:10.1038/s41586-018-0805-8,
Murray, N. J. Phinn, S. P., Fuller, R. A., DeWitt, M., Ferrari, R.,
Johnston, R., Clinton, N., & Lyons, M. B. (2022). 1984-2019 yılları arasındaki gelgit düzlüğü ekosistemlerinin yüksek çözünürlüklü küresel haritaları. Scientific Data,
9(1).
doi:10.1038/s41597-022-01635-5,
Murray Global Intertidal Change Dataset, 707.528 Landsat Archive görüntüsünün denetimli sınıflandırılmasıyla oluşturulan, gelgit düzlüğü ekosistemlerinin küresel haritalarını içerir. Her piksel, küresel olarak dağıtılmış bir eğitim verileri grubu referans alınarak gelgit düzlüğü, kalıcı su veya diğer olarak sınıflandırıldı. Sınıflandırma, … boyunca uygulandı.
[null,null,[],[[["\u003cp\u003eThe Murray Global Intertidal Change Dataset provides global maps of tidal flat ecosystems based on a supervised classification of over 700,000 Landsat images from 1984 to 2016.\u003c/p\u003e\n"],["\u003cp\u003eThe dataset covers coastlines between 60° North and 60° South, classifying each 30m pixel as tidal flat, permanent water, or other.\u003c/p\u003e\n"],["\u003cp\u003eEleven global maps of tidal flats are included, representing different time periods between 1984 and 2016.\u003c/p\u003e\n"],["\u003cp\u003eThis dataset is licensed under a Creative Commons Attribution 4.0 International License, requiring proper acknowledgment and citation in any use.\u003c/p\u003e\n"],["\u003cp\u003eThe dataset was created by Murray et al.and is available for exploration and analysis within Google Earth Engine.\u003c/p\u003e\n"]]],["The Murray Global Intertidal Change Dataset provides global tidal flat ecosystem maps from 1984 to 2016, derived from 707,528 Landsat images. Pixels are classified as tidal flat, permanent water, or other, using training data. The dataset contains eleven 30m-resolution time-series maps, covering 1984-2016, along the global coastline between 60°N and 60°S. It includes a `datamask` band indicating data inclusion and can be accessed through Google Earth Engine. Citations are required for use.\n"],null,["# Murray Global Intertidal Change Data Mask\n\nDataset Availability\n: 1984-01-01T00:00:00Z--2017-01-01T00:00:00Z\n\nDataset Provider\n:\n\n\n [Murray/UQ/Google/USGS/NASA](https://intertidal.app)\n\nTags\n:\n[coastal](/earth-engine/datasets/tags/coastal) [google](/earth-engine/datasets/tags/google) [intertidal](/earth-engine/datasets/tags/intertidal) [landsat-derived](/earth-engine/datasets/tags/landsat-derived) [murray](/earth-engine/datasets/tags/murray) [surface-ground-water](/earth-engine/datasets/tags/surface-ground-water) [tidal-flats](/earth-engine/datasets/tags/tidal-flats) [uq](/earth-engine/datasets/tags/uq) \n\n#### Description\n\nThe Murray Global Intertidal Change Dataset contains global maps of tidal flat\necosystems produced via a supervised classification of 707,528 Landsat\nArchive images. Each pixel was classified into tidal flat, permanent water\nor other with reference to a globally distributed set of training data.\n\nThe classification was implemented along the entire global coastline\nbetween 60° North and 60° South from 1 January 1984 to 31 December 2016.\nThe image collection consists consists of a time-series of 11 global maps\nof tidal flats at 30m pixel resolution for set time-periods (1984-1986;\n1987-1989; 1990-1992; 1993-1995; 1996-1998; 1999-2001; 2002-2004;\n2005-2007; 2008-2010; 2011-2013; 2014-2016)\n\nFlag indicating the spatial limits of the implementation of the tidal flat\nclassifier as defined by altitudinal (+100m) and bathymetric (-100m) limits.\n\n### Bands\n\n\n**Pixel Size**\n\n30 meters\n\n**Bands**\n\n| Name | Units | Pixel Size | Description |\n|------------|------------|------------|------------------------------------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|\n| `datamask` | occurrence | meters | A flag to indicate data inclusion. |\n| Bitmask for datamask - Bit 0: Data mask - 0: No data - 1: Classified area ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||\n\n### Terms of Use\n\n**Terms of Use**\n\nThis work is licensed under a Creative Commons Attribution 4.0\nInternational License.\n\nAny use of the intertidal data must include proper acknowledgement,\nincluding citing the associated journal article.\n\n### Citations\n\nCitations:\n\n- Murray, N.J., Phinn, S.R., DeWitt, M., Ferrari, R., Johnston, R., Lyons, M.B.,\n Clinton, N., Thau, D. \\& Fuller, R.A. (2019) The global distribution and\n trajectory of tidal flats. Nature, 565, 222-225.\n [doi:10.1038/s41586-018-0805-8](https://doi.org/10.1038/s41586-018-0805-8),\n- Murray, N. J., Phinn, S. P., Fuller, R. A., DeWitt, M., Ferrari, R.,\n Johnston, R., Clinton, N., \\& Lyons, M. B. (2022). High-resolution global\n maps of tidal flat ecosystems from 1984 to 2019. Scientific Data,\n 9(1).\n [doi:10.1038/s41597-022-01635-5](https://doi.org/10.1038/s41597-022-01635-5),\n\n### DOIs\n\n- \u003chttps://doi.org/10.1038/s41586-018-0805-8\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 dataset = ee.Image('UQ/murray/Intertidal/v1_1/data_mask');\n\nvar visualization = {\n bands: ['datamask'],\n min: 0,\n max: 1,\n palette: ['000000', 'ffffff']\n};\n\nMap.setCenter(126.6339, 37.4394, 10);\n\nMap.addLayer(dataset, visualization, 'Data mask');\n```\n[Open in Code Editor](https://code.earthengine.google.com/?scriptPath=Examples:Datasets/UQ/UQ_murray_Intertidal_v1_1_data_mask) \n[Murray Global Intertidal Change Data Mask](/earth-engine/datasets/catalog/UQ_murray_Intertidal_v1_1_data_mask) \nThe Murray Global Intertidal Change Dataset contains global maps of tidal flat ecosystems produced via a supervised classification of 707,528 Landsat Archive images. Each pixel was classified into tidal flat, permanent water or other with reference to a globally distributed set of training data. The classification was implemented along the ... \nUQ/murray/Intertidal/v1_1/data_mask, coastal,google,intertidal,landsat-derived,murray,surface-ground-water,tidal-flats,uq \n1984-01-01T00:00:00Z/2017-01-01T00:00:00Z \n-60 -180 60 180 \nGoogle Earth Engine \nhttps://developers.google.com/earth-engine/datasets\n\n- [https://doi.org/10.1038/s41586-018-0805-8](https://doi.org/https://intertidal.app)\n- [https://doi.org/10.1038/s41586-018-0805-8](https://doi.org/https://developers.google.com/earth-engine/datasets/catalog/UQ_murray_Intertidal_v1_1_data_mask)"]]
