LANDFIRE VDep (Vegetation Departure) v1.4.0

LANDFIRE/Fire/VDep/v1_4_0
Dataset Availability
2014-09-01T00:00:00Z - 2014-09-01T00:00:00
Dataset Provider
Earth Engine Snippet
ee.ImageCollection("LANDFIRE/Fire/VDep/v1_4_0")
Tags
doi fire landfire nature-conservancy usda usgs vegetation wildfire

Description

LANDFIRE (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 the Vegetation Dynamics Development Tool (VDDT). These data support fire and landscape management planning goals in the National Cohesive Wildland Fire Management Strategy, the Federal Wildland Fire Management Policy, and the Healthy Forests Restoration Act.

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 using methods originally described in the Interagency Fire Regime Condition Class Guidebook, but is not identical to those methods. LANDFIRE (LF) VDep is based only on departure of current vegetation conditions from reference vegetation conditions, whereas the Guidebook approach includes departure of current fire regimes from those of the reference period. VDep is a landscape metric and is scale dependent. Every pixel in a unique biophysical settings (BpS) in a summary unit has the same VDep value. These large landscape values may not represent smaller areas within a summary unit. The VDep metric ranges from 0 - 100, and is based on four factors. These inputs are held constant within a single version of LF, but can be different across LF versions, which directly impacts VDep comparability across versions. VDep can be compared across versions but caution is advised.

The LANDIFRE Fire datasets include:

  • 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
  • Mean Fire Return Interval (MFRI) quantifies the average period between fires under the presumed historical fire regime
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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.'

Bands

Resolution
30 meters

Bands

Name Description
VDep

Vegetation Departure

VDep Class Table

Value Color Description
0 00f0ff 0
1 00e5ee 1
2 00dadd 2
3 00cfcc 3
4 00c4bb 4
5 00b9aa 5
6 00ae99 6
7 00a388 7
8 009877 8
9 008d66 9
10 008255 10
11 007744 11
12 006c33 12
13 006122 13
14 005611 14
15 004b00 15
16 0e5900 16
17 1c6600 17
18 2a7400 18
19 388100 19
20 468f00 20
21 549c00 21
22 62aa00 22
23 70b700 23
24 7ec500 24
25 8cd200 25
26 9ad815 26
27 a9dd2b 27
28 b7e340 28
29 c6e955 29
30 d4ee6a 30
31 e2f480 31
32 f1f995 32
33 ffffaa 33
34 ffffa0 34
35 ffff96 35
36 ffff8c 36
37 ffff82 37
38 ffff78 38
39 ffff6e 39
40 ffff64 40
41 ffff5a 41
42 ffff50 42
43 ffff46 43
44 ffff3c 44
45 ffff32 45
46 ffff28 46
47 ffff1e 47
48 ffff14 48
49 ffff0a 49
50 ffff00 50
51 fff500 51
52 ffeb00 52
53 ffe000 53
54 ffd600 54
55 ffcc00 55
56 ffc200 56
57 ffb800 57
58 ffad00 58
59 ffa300 59
60 ff9900 60
61 ff8f00 61
62 ff8500 62
63 ff7a00 63
64 ff7000 64
65 ff6600 65
66 ff5c00 66
67 ff5200 67
68 ff4700 68
69 ff3d00 69
70 ff3300 70
71 ff2900 71
72 ff1f00 72
73 ff1400 73
74 ff0a00 74
75 ff0000 75
76 fb0000 76
77 f70000 77
78 f20000 78
79 ee0000 79
80 ea0000 80
81 e60000 81
82 e10000 82
83 dd0000 83
84 d90000 84
85 d50000 85
86 d00000 86
87 cc0000 87
88 c80000 88
89 c40000 89
90 c00000 90
91 bb0000 91
92 b70000 92
93 b30000 93
94 af0000 94
95 aa0000 95
96 a60000 96
97 a20000 97
98 9e0000 98
99 990000 99
100 950000 100
101 000000 Departure not calculated
111 0000ff Water
112 c8ffff Snow / Ice
120 8400a8 Non-burnable Urban
121 8418a8 Burnable Urban
131 4e4e4e Barren
132 b2b2b2 Sparse Vegetation
180 df73ff Non-burnable Agriculture
181 df73f0 Burnable Agriculture

Collection Properties

Collection Properties

Name Type Description
VDep_classes DOUBLE

Class values of the Vegetation Departure.

VDep_names STRING

Descriptive names of Vegetation Departure.

Terms of Use

Terms of Use

LANDFIRE data are public domain data with no use restrictions, though if modifications or derivatives of the product(s) are created, then please add some descriptive modifier to the data set to avoid confusion.

Citations

Citations:
  • The suggested way to cite LANDFIRE products is specific to each product, so the model for citation is provided, with an example for a particular product. Producer. Year released. Product xxxxx:

    • Individual model name.
    • BpS Models and Descriptions, Online. 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 (Producers). Available- URL. Access date.

    Example Citation: LANDFIRE Biophysical Settings. 2018. Biophysical setting 14420: South Texas sand sheet grassland. In: LANDFIRE Biophysical Setting Model: Map zone 36, [Online]. In: BpS Models and Descriptions. In: 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 (Producers). Available: https://www.landfire.gov/national_veg_models_op2.php [2018, June 27]. Additional guidance on citation of LANDFIRE products can be found here

Explore in Earth Engine

var dataset = ee.ImageCollection('LANDFIRE/Fire/VDep/v1_4_0');

var visualization = {
  bands: ['VDep'],
};

Map.setCenter(-121.671, 40.699, 5);

Map.addLayer(dataset, visualization, 'VDep');