Identification

Title

Global Snow-Water-Equivalent Depth Coefficient-of-Variation Classification

Alternative title(s)

106.ARCSS138

Abstract

This data set provides a global distribution of nine subgrid snow-depth-variability categories and a coefficient of variation applicable to each category, as the result of the Subgrid SNOW Distribution (SSNOWD) submodel that defines subgrid snow-depth and snow-cover variability. This data set provides the distribution of those nine categories and their coefficient-of-variation values on a global, 2.5 arc-min latitude-longitude (approximately 5-km) grid. The time period covered is 1 January 1994 through 1 January 2004. The SSNOWD submodel was formulated to improve the depiction of autumn through spring land-atmosphere interactions and feedbacks within global weather, climate, and hydrologic models. From both atmospheric and hydrologic perspectives, the subgrid snow-depth distribution is an important quantity to account for within large-scale models. In the natural system, these subgrid snow-depth distributions are largely responsible for the mosaic of snow-covered and snow-free areas that develop as the snow melts, and the impacts of these fractional areas must be quantified in order to realistically simulate grid-averaged surface fluxes. SSNOWD's formulation incorporates observational studies showing that snow distributions can be described by a lognormal distribution and the snow-depth coefficient-of-variation (CV). Using an understanding of the physical processes that lead to these observed snow-depth variations, a global distribution of nine subgrid snow-depth-variability categories was developed, and coefficient-of-variation values were assigned to each category based on published measurements. Data are in binary format.

Resource type

dataset

Resource locator

https://data.eol.ucar.edu//dataset/106.ARCSS138

protocol: https

name: Global Snow-Water-Equivalent Depth Coefficient-of-Variation Classification homepage

description: Dataset homepage

Unique resource identifier

code

106.ARCSS138

codeSpace

Dataset language

Spatial reference system

code identifying the spatial reference system

Classification of spatial data and services

Topic category

climatologyMeteorologyAtmosphere

Keywords

Keyword set

keyword value

dataset

originating controlled vocabulary

title

reference date

date type

revision

effective date

2014-10-16

Keyword set

keyword value

Models

Keyword set

keyword value

Models/Analyses

Snow and Land Ice

Hydrology

Arctic

Keyword set

keyword value

EARTH SCIENCE > CRYOSPHERE > SNOW/ICE > SNOW MELT

EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > SNOW/ICE > SNOW WATER EQUIVALENT

EARTH SCIENCE SERVICES > MODELS > CRYOSPHERE MODELS

EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > SNOW/ICE > SNOW DEPTH

originating controlled vocabulary

title

reference date

date type

revision

effective date

2018-02-27

Geographic location

West bounding longitude

-180.00000

East bounding longitude

180.00000

North bounding latitude

90.00000

South bounding latitude

-90.00000

Temporal reference

Temporal extent

Begin position

1994-01-01T00:00:00Z

End position

2004-01-01T23:59:59Z

Dataset reference date

date type

publication

effective date

2009-04-10T13:03:25Z

Frequency of update

Quality and validity

Lineage

Conformity

Data format

name of format

version of format

Constraints related to access and use

Constraint set

Use constraints

none

Limitations on public access

none

Responsible organisations

Responsible party

contact position

EOL Data Support

organisation name

UCAR/NCAR - Earth Observing Laboratory

full postal address

PO Box 3000

Boulder

80307-3000

email address

datahelp@eol.ucar.edu

web address

https://data.eol.ucar.edu/

name: homepage

responsible party role

pointOfContact

Responsible party

contact position

Senior Research Scientist

organisation name

Colorado State University

full postal address

Cooperative Institute for Research in the Atmosphere Colorado State University 1375 Campus Delivery

Fort Collins

80523-1375

USA

telephone number

(970) 491-8220

email address

liston@cira.colostate.edu

responsible party role

pointOfContact

Metadata on metadata

Metadata point of contact

contact position

EOL Data Support

organisation name

UCAR/NCAR - Earth Observing Laboratory

full postal address

PO Box 3000

Boulder

80307-3000

email address

datahelp@eol.ucar.edu

web address

https://data.eol.ucar.edu/

name: homepage

responsible party role

pointOfContact

Metadata date

2024-02-07T22:48:22Z

Metadata language