"snow field" is correct and usable in written English.
For example, "The snow field brightened up the otherwise grey landscape."
Through the last pass and down a long, steep snow field lie wide stretches of green.
Mittivakkat glacier in Greenland and the glacier Drangajökull and permanent snow field Laugafell in Iceland were sampled in July 2012.
Looking out, you'd have thought we were in a snow field — it was white in all directions, save for the black-and-red stern of the Yamal.
Now it is completely exposed; the rocks encrusted with white salt crystals are surrounded by shallow pink water in what looks like a vast snow field.
… So we have seen a variety of surfaces, a snow field of soft stuff, and this rocky field of rock stuff, which could be a [stronger material], and we also see this shiny stuff," which he says could also be a stronger material.
If you are lucky enough to be around for Easter weekend, your kids will have a blast taking part in an Easter egg hunt in a snow field.
However, red snow is a ubiquitous phenomenon in Arctic sites (glaciers and permanent snow fields).
Samples from Storglaciären, Rabot, Liljetopsrännan, SE-Kasskasatjåkkå, Björling and nearby permanent snow fields in Northern Sweden were collected in July 2013 and July 2014.
The vast landscapes of northern Finland are dominated by dark green pine forests, interspersed with pristine white snow fields.
AT 6,670 feet on a bright winter day, the vast, sweeping snow fields of Switzerland's Oberalp Pass glistened.
Modern ice glaciers are small and few in number, and persistent snow fields are similarly small and scattered.
