Sunset Crater Volcano National Monument

Location:Arizona, United States
IUCN Category:V
Area:3,049 acres (1,234 hectares)
Species:All  Endangered  Invasive
Website:View website
Map:View Google Map
Climate:View Climate Data
Land Use:View Land Use Data

Ecoregions

Arizona Mountains forests

Soils

Link to Map
Protected Area Boundary
 A
  
Share50 %30 %10 %10 %
Soil TypeLuvic KastanozemsHaplic KastanozemsChromic VertisolsEutric Regosols
Topsoil TextureMediumMediumFineMedium
Reference Depth100 cm100 cm100 cm100 cm
DrainageModerately wellModerately wellPoorModerately well
Available Water Capacity150 m150 m125 m150 m
Misc. Property  Vertic (cracks of more than 1 cm wide) 
Topsoil Properties
Gravel8 %8 %4 %27 %
Sand36 %34 %16 %47 %
Silt41 %45 %29 %34 %
Clay23 %21 %55 %19 %
USDA TextureLoamLoamClayLoam
Reference Bulk Density1.38 g/cm³1.39 g/cm³1.21 g/cm³1.43 g/cm³
Bulk Density1.2 g/cm³1.29 g/cm³1.65 g/cm³1.21 g/cm³
Organic Carbon1.27 %1.28 %0.75 %0.97 %
PH7.37.47.96.4
Clay Cation Exchange Capacity66 cmol kg⁻¹81 cmol kg⁻¹75 cmol kg⁻¹41 cmol kg⁻¹
Soil Cation Exchange Capacity23 cmol kg⁻¹21 cmol kg⁻¹44 cmol kg⁻¹12 cmol kg⁻¹
Base Saturation100 %100 %100 %79 %
Total Exchangeable Bases18.4 cmol kg⁻¹18.4 cmol kg⁻¹45.2 cmol kg⁻¹15.1 cmol kg⁻¹
Calcium Carbonate4.5 %5.4 %2.5 %0 %
Calcium Sulphate0 %0 %0 %0 %
Exchangeable Sodium3 %1 %1 %1 %
Electrical Conductivity0.1 dS m-11.6 dS m-10.2 dS m-10.1 dS m-1
Subsoil Properties
Gravel5 %5 %5 %28 %
Sand29 %36 %15 %50 %
Silt42 %43 %28 %32 %
Clay29 %21 %57 %18 %
USDA TextureClay loamLoamClayLoam
Reference Bulk Density1.33 g/cm³1.39 g/cm³1.21 g/cm³1.44 g/cm³
Bulk Density1.18 g/cm³1.42 g/cm³1.76 g/cm³1.46 g/cm³
Organic Carbon0.57 %0.51 %0.45 %0.4 %
PH7.97.98.16.9
Clay Cation Exchange Capacity68 cmol kg⁻¹97 cmol kg⁻¹73 cmol kg⁻¹55 cmol kg⁻¹
Soil Cation Exchange Capacity24 cmol kg⁻¹19 cmol kg⁻¹43 cmol kg⁻¹11 cmol kg⁻¹
Base Saturation100 %100 %100 %85 %
Total Exchangeable Bases21.1 cmol kg⁻¹19.1 cmol kg⁻¹47.5 cmol kg⁻¹10.3 cmol kg⁻¹
Calcium Carbonate10 %10.4 %3.9 %0.1 %
Calcium Sulphate0 %0 %0 %0 %
Exchangeable Sodium3 %3 %3 %2 %
Electrical Conductivity3.6 dS m-12.2 dS m-10.3 dS m-10.1 dS m-1
Soil data provided by FAO/IIASA/ISRIC/ISSCAS/JRC, 2012. Harmonized World Soil Database (version 1.2). FAO, Rome, Italy and IIASA, Laxenburg, Austria.