Wrzesien global seasonal mountain snow mask#

mountain-snow-mask · theme snow · live

MODIS MOD10A2-derived masks of mountains with seasonal, ephemeral or little snow (Wrzesien et al. 2019) at 30 arcsec, the same classes over all terrain, and the cloud-indeterminacy layer.

import easysnowdata as esd

aoi = (-121.94, 46.72, -121.54, 46.99)   # Mount Rainier
data = esd.snow.mountain_snow_mask.load(aoi)

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Every route to this product is open. Nothing to set up.

Sources#

source

provider

credentials

resolution

extent

temporal

latency

notes

zenodo (default)

raster_http

none

500 m

global

static (2000-2016 climatology)

—

one zipped GeoTIFF per layer, cached on first use; the published nodata is 256/265, which the loader repairs to 255

Where each route points#

zenodo — Zenodo zip live

https://zenodo.org/records/2626737/files/MODIS_<layer>_classes.zip

Variables#

variable

units

dtype

nodata

categorical

mountain_snow

—

uint8

255

yes (5 classes)

snow

—

uint8

255

yes (5 classes)

clouds

1

uint8

255

no
mountain_snow classes (5)

value

meaning

0

Mountains with little-to-no snow

1

Indeterminate due to clouds

2

Mountains with ephemeral snow

3

Mountains with seasonal snow

255

Fill
snow classes (5)

value

meaning

0

Little-to-no snow

1

Indeterminate due to clouds

2

Ephemeral snow

3

Seasonal snow

255

Fill

Provenance#

Licence · CC BY 4.0

DOI · 10.5281/zenodo.2626737

Cite the data as

Wrzesien, M., Pavelsky, T., Durand, M., Lundquist, J., & Dozier, J. (2019). Global Seasonal Mountain Snow Mask from MODIS MOD10A2. Zenodo.

Documentation

Loader · easysnowdata.snow.mountain_snow_mask.load