Estimation of Continental-Basin-Scale Sublimation in the Lena River Basin, Siberia

Table 1

Vegetation types in study area and river basin.

Vegetation class	Vegetation description	Percentage of total study area (%)	Percentage of total river basin area (%)
Forest	Coniferous forest	6.8	7.4
	Deciduous forest	49.3	61.1
	Mixed forest	2.1	2.9
	Scattered short-conifer	3.0	3.2
	Clearcut conifer	1.8	2.1
Shrub	Mesic upland shrub	0.4	0.2
	Xeric upland shrub	0.2	0.1
	Playa shrubland	2.3	3.6
	Shrub wetland/riparian	0.1	0.0
	Erect shrub tundra	5.7	3.6
	Low shrub tundra	3.9	1.3
Grass	Grassland rangeland	0.8	0.7
	Subalpine meadow	0.5	0.6
	Tundra (nontussock)	0.0	0.0
	Tundra (tussock)	9.6	6.2
	Prostrate shrub tundra	1.0	0.1
	Arctic grassy wetland	2.1	1.2
Bare	Bare	4.0	3.5
	Water/possibly frozen	5.9	1.6
	Permanent snow/glacier	0.0	0.0
	Residential/urban	0.0	0.0
	Tall crops	0.5	0.3
	Short crops	0.4	0.3
Total area		5,970,000 km^2	2,500,000 km^2