LANDFIRE (LF), Alat Perencanaan Pengelolaan Sumber Daya dan Kebakaran Lanskap, adalah program bersama antara program pengelolaan kebakaran hutan dari Forest Service, Departemen Pertanian Amerika Serikat, Geological Survey, Departemen Dalam Negeri Amerika Serikat, dan The Nature Conservancy.
Rezim kebakaran historis, interval, dan kondisi vegetasi Landfire (LF) dipetakan menggunakan Alat Pengembangan Dinamika Vegetasi (VDDT).
Data ini mendukung tujuan perencanaan pengelolaan kebakaran hutan dan lahan dalam National Cohesive Wildland Fire Management Strategy, Federal Wildland Fire Management Policy, dan Healthy Forests Restoration Act.
Kelas Kondisi Vegetasi (VCC) merepresentasikan kategorisasi sederhana dari lapisan Perbedaan Vegetasi (VDEP) terkait dan menunjukkan tingkat umum perbedaan vegetasi saat ini dengan kondisi referensi vegetasi historis yang disimulasikan.
VDEP dan VCC didasarkan pada metode yang awalnya dijelaskan dalam Interagency Fire Regime Condition Class Guidebook, tetapi tidak identik dengan metode tersebut.
Deskripsi lengkap metode yang digunakan dapat ditemukan dalam deskripsi produk VDEP.
Pengguna harus meninjau metode tersebut sebelum membandingkan nilai VDEP atau VCC di seluruh versi LANDFIRE (LF).
VCC adalah turunan dari lapisan VDEP.
Penting untuk membaca dan memahami karakteristik produk spasial VDEP, terutama jika nilai VCC dibandingkan di berbagai versi karena metode VDEP bervariasi yang secara langsung memengaruhi perbandingan VDEP dan VCC di berbagai versi.
Pada LF 2012, tiga kelas VCC asli dibagi dua untuk membuat enam kelas VCC guna memberikan presisi tambahan.
Set data Kebakaran LANDIFRE mencakup:
Grup Rezim Kebakaran (FRG) dimaksudkan untuk mengkarakterisasi rezim kebakaran historis yang diasumsikan dalam lanskap berdasarkan interaksi antara dinamika vegetasi, penyebaran kebakaran, efek kebakaran, dan konteks spasial
Mean Fire Return Interval (MFRI) mengukur rata-rata periode antara kebakaran di bawah rezim kebakaran historis yang diasumsikan
Gambar Persen Kebakaran Ringan (PLS) mengukur jumlah kebakaran ringan dibandingkan dengan kebakaran dengan tingkat keparahan campuran dan penggantian di bawah rezim kebakaran historis yang diasumsikan dan didefinisikan sebagai rata-rata kurang dari 25 persen pembunuhan bagian atas dalam perimeter kebakaran umum untuk jenis vegetasi tertentu
Lapisan Persentase Kebakaran dengan Tingkat Keparahan Campuran (PMS) mengukur jumlah kebakaran dengan tingkat keparahan campuran relatif terhadap kebakaran dengan tingkat keparahan rendah dan penggantian di bawah rezim kebakaran historis yang diasumsikan, dan didefinisikan sebagai antara 25 dan 75 persen rata-rata kematian bagian atas dalam perimeter kebakaran umum untuk jenis vegetasi tertentu
Lapisan Persentase Kebakaran dengan Tingkat Keparahan Penggantian (PRS) mengukur jumlah kebakaran dengan tingkat keparahan penggantian relatif terhadap kebakaran dengan tingkat keparahan rendah dan campuran dalam rezim kebakaran historis yang diasumsikan, dan didefinisikan sebagai lebih besar dari 75 persen rata-rata kematian total dalam perimeter kebakaran umum untuk jenis vegetasi tertentu
Lapisan Kelas Suksesi (SClass) mengkarakterisasi kondisi vegetasi saat ini sehubungan dengan komposisi spesies vegetasi, penutupan, dan rentang ketinggian kondisi suksesi yang terjadi dalam setiap pengaturan biofisik
Kelas Kondisi Vegetasi (VCC) merepresentasikan kategorisasi sederhana dari
lapisan Perbedaan Vegetasi (VDEP) terkait dan menunjukkan tingkat umum
perbedaan vegetasi saat ini dengan kondisi referensi vegetasi historis yang disimulasikan
Perbedaan Vegetasi (VDep) menunjukkan seberapa berbeda vegetasi saat ini di lanskap dengan perkiraan kondisi historis. VDep didasarkan pada perubahan komposisi spesies, tahap struktural, dan penutupan kanopi.
Band
Ukuran Piksel 30 meter
Band
Nama
Ukuran Piksel
Deskripsi
VCC
meter
Kelas Kondisi Vegetasi
Tabel Class VCC
Nilai
Warna
Deskripsi
1
#38a800
Sangat Rendah, Perubahan Vegetasi 0-16%
2
#4ce600
Rendah hingga Sedang, Perubahan Vegetasi 17-33%
3
#ffff00
Sedang hingga Rendah, Perubahan Vegetasi 34-50%
4
#ffaa00
Sedang hingga Tinggi, Perubahan Vegetasi 51-66%
5
#ff0000
Tinggi, Keberangkatan Vegetasi 67-83%
6
#a80000
Sangat Tinggi, Perubahan Vegetasi 84-100%
111
#0000ff
Air
112
#c8ffff
Salju / Es
120
#8400a8
Non-burnable Urban
121
#f516b6
Burnable Urban
131
#4e4e4e
Tersia-Sia
132
#b2b2b2
Vegetasi Jarang
180
#df73ff
Pertanian yang tidak dapat dibakar
181
#e8beff
Pertanian yang Dapat Dibakar
Properti Gambar
Properti Gambar
Nama
Jenis
Deskripsi
VCC_classes
DOUBLE
Nilai kelas dari Kelas Kondisi Vegetasi.
VCC_names
STRING
Nama deskriptif Kelas Kondisi Vegetasi.
Persyaratan Penggunaan
Persyaratan Penggunaan
Data LANDFIRE adalah data domain publik tanpa batasan penggunaan, meskipun jika modifikasi atau turunan produk dibuat, harap tambahkan beberapa pengubah deskriptif ke set data untuk menghindari kebingungan.
Kutipan
Kutipan:
Cara yang disarankan untuk mengutip produk LANDFIRE khusus untuk setiap produk,
sehingga model kutipan disediakan, dengan contoh untuk produk tertentu.
Produser. Tahun rilis. Produk xxxxx:
Nama model individu.
Model dan Deskripsi BpS, Online. LANDFIRE. Washington, DC. Departemen Pertanian Amerika Serikat, Dinas Kehutanan
U.S. Department of the Interior; U.S. Geological Survey; Arlington, VA
The Nature Conservancy (Produser). Tersedia - URL. Tanggal akses.
Contoh Kutipan: LANDFIRE Biophysical Settings. 2018. Lingkungan biofisik 14420:
Padang rumput hamparan pasir Texas Selatan. Dalam: LANDFIRE Biophysical Setting Model: Map zone 36,
[Online]. Dalam: Model dan Deskripsi BpS. Di: LANDFIRE. Washington, DC:
U.S. Department of Agriculture, Forest Service; U.S. Department of the Interior;
U.S. Geological Survey; Arlington, VA: The Nature Conservancy (Produser).
Tersedia: https://www.landfire.gov/bps-models.php [2018, 27 Juni].
Panduan tambahan tentang kutipan produk LANDFIRE dapat ditemukan di sini.
LANDFIRE (LF), Landscape Fire and Resource Management Planning Tools, adalah program bersama antara program pengelolaan kebakaran hutan dari Forest Service, U.S. Department of Agriculture, Geological Survey, U.S. Department of the Interior, dan The Nature Conservancy. Rezim kebakaran historis, interval, dan kondisi vegetasi Landfire (LF) dipetakan menggunakan …
[null,null,[],[[["\u003cp\u003eThe LANDFIRE Fire/VCC dataset provides a Vegetation Condition Class (VCC) indicating how different current vegetation is from historical conditions, based on changes to species composition, structure, and canopy closure.\u003c/p\u003e\n"],["\u003cp\u003eThis dataset was created by the U.S. Department of Agriculture's Forest Service, U.S. Department of the Interior's Geological Survey, and The Nature Conservancy, as part of the LANDFIRE program.\u003c/p\u003e\n"],["\u003cp\u003eVCC is categorized into six classes, ranging from "Very Low Departure" to "Very High Departure", and also includes classifications for water, snow/ice, urban areas, barren land, and agriculture.\u003c/p\u003e\n"],["\u003cp\u003eThe dataset has a 30-meter resolution and is available for a single date: September 1, 2014.\u003c/p\u003e\n"],["\u003cp\u003eLANDFIRE data is public domain and can be used without restrictions, but modifications should be clearly identified to avoid confusion with the original product.\u003c/p\u003e\n"]]],[],null,["# LANDFIRE VCC (Vegetation Condition Class) v1.4.0\n\nDataset Availability\n: 2014-09-01T00:00:00Z--2014-09-01T00:00:00Z\n\nDataset Provider\n:\n\n\n [U.S. Department of Agriculture's (USDA), U.S. Forest Service (USFS), U.S. Department of the Interior's Geological Survey (USGS), and The Nature Conservancy.](https://landfire.gov/)\n\nTags\n:\n[doi](/earth-engine/datasets/tags/doi) [fire](/earth-engine/datasets/tags/fire) [landfire](/earth-engine/datasets/tags/landfire) [nature-conservancy](/earth-engine/datasets/tags/nature-conservancy) [usda](/earth-engine/datasets/tags/usda) [usgs](/earth-engine/datasets/tags/usgs) [vegetation](/earth-engine/datasets/tags/vegetation) [wildfire](/earth-engine/datasets/tags/wildfire) \n\n#### Description\n\nLANDFIRE (LF), Landscape Fire and Resource Management Planning Tools, is a\nshared program between the wildland fire management programs of the U.S.\nDepartment of Agriculture's Forest Service, U.S. Department of the Interior's\nGeological Survey, and The Nature Conservancy.\n\nLandfire (LF) Historical fire regimes, intervals, and vegetation conditions\nare mapped using the Vegetation Dynamics Development Tool (VDDT).\nThese data support fire and landscape management planning goals in\nthe National Cohesive Wildland Fire Management Strategy, the Federal Wildland\nFire Management Policy, and the Healthy Forests Restoration Act.\n\nVegetation Condition Class (VCC) represents a simple categorization of the associated Vegetation Departure (VDEP) layer and indicates the general level to which current vegetation is different from the simulated historical vegetation reference conditions.\nVDEP and VCC are based upon methods originally described in Interagency Fire Regime Condition Class Guidebook, but are not identical to those methods.\nFull descriptions of the methods used can be found in the VDEP product description.\nUsers should review those methods before comparing VDEP or VCC values across LANDFIRE (LF) versions.\nVCC is a derivative of the VDEP layer.\nIt is important to read and understand the characteristics of the VDEP spatial product, particularly if VCC values are compared across versions as the VDEP methods varied which directly impacts across-version VDEP and VCC comparability.\nIn LF 2012, the original three VCC classes were divided in half to create six VCC classes to provide additional precision.\n\nThe LANDIFRE Fire datasets include:\n\n- Fire Regime Groups (FRG) is intended to characterize presumed historical fire regimes within landscapes based on interactions between vegetation dynamics, fire spread, fire effects, and spatial context\n- Mean Fire Return Interval (MFRI) quantifies the average period between fires under the presumed historical fire regime\n- Percent of Low-severity Fire (PLS) image quantifies the amount of low-severity fires relative to mixed- and replacement-severity fires under the presumed historical fire regime and is defined as less than 25 percent average top-kill within a typical fire perimeter for a given vegetation type\n- Percent of Mixed-severity Fire (PMS) layer quantifies the amount of mixed-severity fires relative to low- and replacement-severity fires under the presumed historical fire regime, and is defined as between 25 and 75 percent average top-kill within a typical fire perimeter for a given vegetation type\n- Percent of Replacement-severity Fire (PRS) layer quantifies the amount of replacement-severity fires relative to low- and mixed-severity fires under the presumed historical fire regime, and is defined as greater than 75 percent average top-kill within a typical fire perimeter for a given vegetation type\n- Succession Classes (SClass) layer characterizes current vegetation conditions with respect to the vegetation species composition, cover, and height ranges of successional states that occur within each biophysical setting\n- Vegetation Condition Class (VCC) represents a simple categorization of the associated Vegetation Departure (VDEP) layer and indicates the general level to which current vegetation is different from the simulated historical vegetation reference conditions\n- Vegetation Departure (VDep) indicates how different current vegetation on a landscape is from estimated historical conditions. VDep is based on changes to species composition, structural stage, and canopy closure.\n\n### Bands\n\n\n**Pixel Size**\n\n30 meters\n\n**Bands**\n\n| Name | Pixel Size | Description |\n|-------|------------|----------------------------|\n| `VCC` | meters | Vegetation Condition Class |\n\n**VCC Class Table**\n\n| Value | Color | Description |\n|-------|---------|-----------------------------------------------|\n| 1 | #38a800 | Very Low, Vegetation Departure 0-16% |\n| 2 | #4ce600 | Low to Moderate, Vegetation Departure 17-33% |\n| 3 | #ffff00 | Moderate to Low, Vegetation Departure 34-50% |\n| 4 | #ffaa00 | Moderate to High, Vegetation Departure 51-66% |\n| 5 | #ff0000 | High, Vegetation Departure 67-83% |\n| 6 | #a80000 | Very High, Vegetation Departure 84-100% |\n| 111 | #0000ff | Water |\n| 112 | #c8ffff | Snow / Ice |\n| 120 | #8400a8 | Non burnable Urban |\n| 121 | #f516b6 | Burnable Urban |\n| 131 | #4e4e4e | Barren |\n| 132 | #b2b2b2 | Sparsely Vegetated |\n| 180 | #df73ff | Non burnable Agriculture |\n| 181 | #e8beff | Burnable Agriculture |\n\n### Image Properties\n\n**Image Properties**\n\n| Name | Type | Description |\n|-------------|--------|--------------------------------------------------|\n| VCC_classes | DOUBLE | Class values of the Vegetation Condition Class. |\n| VCC_names | STRING | Descriptive names of Vegetation Condition Class. |\n\n### Terms of Use\n\n**Terms of Use**\n\nLANDFIRE data are public domain data with no use restrictions, though if modifications\nor derivatives of the product(s) are created, then please add some descriptive modifier\nto the data set to avoid confusion.\n\n### Citations\n\nCitations:\n\n- The suggested way to cite LANDFIRE products is specific to each product,\n so the model for citation is provided, with an example for a particular product.\n Producer. Year released. Product xxxxx:\n - Individual model name.\n - BpS Models and Descriptions, Online. LANDFIRE. Washington, DC. U.S. Department of Agriculture, Forest Service\n - U.S. Department of the Interior; U.S. Geological Survey; Arlington, VA\n - The Nature Conservancy (Producers). Available- URL. Access date.\n\n Example Citation: LANDFIRE Biophysical Settings. 2018. Biophysical setting 14420:\n South Texas sand sheet grassland. In: LANDFIRE Biophysical Setting Model: Map zone 36,\n \\[Online\\]. In: BpS Models and Descriptions. In: LANDFIRE. Washington, DC:\n U.S. Department of Agriculture, Forest Service; U.S. Department of the Interior;\n U.S. Geological Survey; Arlington, VA: The Nature Conservancy (Producers).\n Available: \u003chttps://www.landfire.gov/bps-models.php\u003e \\[2018, June 27\\].\n Additional guidance on citation of LANDFIRE products can be found\n [here](https://landfire.gov/data/citation)\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.ImageCollection('LANDFIRE/Fire/VCC/v1_4_0');\n\nvar visualization = {\n bands: ['VCC'],\n};\n\nMap.setCenter(-121.671, 40.699, 5);\n\nMap.addLayer(dataset, visualization, 'VCC');\n```\n[Open in Code Editor](https://code.earthengine.google.com/?scriptPath=Examples:Datasets/LANDFIRE/LANDFIRE_Fire_VCC_v1_4_0) \n[LANDFIRE VCC (Vegetation Condition Class) v1.4.0](/earth-engine/datasets/catalog/LANDFIRE_Fire_VCC_v1_4_0) \nLANDFIRE (LF), Landscape Fire and Resource Management Planning Tools, is a shared program between the wildland fire management programs of the U.S. Department of Agriculture's Forest Service, U.S. Department of the Interior's Geological Survey, and The Nature Conservancy. Landfire (LF) Historical fire regimes, intervals, and vegetation conditions are mapped using ... \nLANDFIRE/Fire/VCC/v1_4_0, doi,fire,landfire,nature-conservancy,usda,usgs,vegetation,wildfire \n2014-09-01T00:00:00Z/2014-09-01T00:00:00Z \n17.52 -175.1 71.48 -63.66 \nGoogle Earth Engine \nhttps://developers.google.com/earth-engine/datasets\n\n- [](https://doi.org/https://landfire.gov/)\n- [](https://doi.org/https://developers.google.com/earth-engine/datasets/catalog/LANDFIRE_Fire_VCC_v1_4_0)"]]
