Package: PIC
Version: 1.0
Date: 2017-01-09
Title: Permafrost Index Computing
Authors@R: c(person("Lihui Luo", "Developer", role = c("aut", "cre"),
                     email = "luolh@lzb.ac.cn"))
Author: Lihui Luo Developer [aut, cre]
Maintainer: Lihui Luo Developer <luolh@lzb.ac.cn>
Depends: R (>= 3.1.0)
Suggests: MASS
Description: Calculation of various types indices in frozen soil environment, including:
  TTOP - The temperature at the top of the permafrost or at the bottom of the seasonally frozen layer.
  uts - Period of the thawing season for the ground surface (days)
  uta - Period of the thawing season for the air (days)
  ufs - Period of the freezing season for the ground surface (days)
  ufa - Period of the freezing season for the air (days)
  DDTa - Thawing degree-days of air (Celsius degree-days)
  DDTs - Thawing degree-days of ground surface (Celsius degree-days)
  DDFs - Freezing degree-days of ground surface (Celsius degree-days)
  DDFa - Freezing degree-days of air (Celsius degree-days)
  MAGT - Mean annual ground temperature
  MAAT - Mean annual air temperature
License: GPL (>= 2)
URL: https://github.com/iffylaw
