swe.pistocchi: Statistical SWE modeling depending on the day-of-year

In swemod: Snow Water Equivalent Modeling with Parametric and Statistical Models

Description

This model parametrizes bulk snow density with day-of-the-year as the only input. It was calibrated for the region of South Tyrol, Italy, and is therefore called ST model in the original reference.

Usage

swe.pistocchi(data)

Arguments

data	A data.frame of daily observations with two columns named date and hs referring to day and snow depth at that day. The date column must be a character string with the format YYYY-MM-DD. The hs column must be snow depth values ≥ 0 in m.

Details

swe.pistocchi This function uses only the day-of-year (DOY) as parametrerization for bulk snow density and hence SWE. Here, the datums in the input data.frame is converted to DOY as defined in the original reference: negative values between 1.10. and 31.12. DOY=-92 at 1.10. In leap years 31.12. has DOY = 0, in non-leap years 31.12. has DOY = -1 with no day being 0. Non computable values are returned as NA.

Value

A vector with daily SWE values in mm.

References

Pistocchi, A. (2016) 'Simple estimation of snow density in an Alpine region', Journal of Hydrology: Regional Studies. Elsevier B.V., 6(Supplement C), pp. 82 - 89. doi: 10.1016/j.ejrh.2016.03.004.

swemod documentation built on Nov. 11, 2019, 3 p.m.