Description Usage Arguments Value Author(s)
DECOMP CALCULATES CARBON AND NITROGEN FLOWS THROUGH SOIL. AVAILABLE N (AVAILN) IS USED IN GMULT TO CALCULATE SOIL NITROGEN GROWTH MULTIPLIERS. AET IS FED IN FROM MOIST. THIS YEAR'S LEAF, TWIG, ROOT, AND WOOD LITTER IS FED IN FROM KILL (ARRAY TYL). THE SIMULATION STARTS ON BARE GROUND (ONLY HUMUS PRESENT. BASESC AND BASESN ARE STARTING HUMUS WEIGHT AND N CONTENTS READ IN INPUT). THREE TYPES OF SOIL ORGANIC MATTER ARE RECOGNIZED: COHORTS EITHER IMMOBILIZING OR RAPIDLY MINERALIZING NITROGEN AND A HOMOGENOUS HUMUS POOL SLOWLY MINERALIZING N.
1 | decomp(fdat, aet, ncohrt, fc, dry, tyl, C.mat)
|
fdat |
current year |
aet |
average temperature by month for current year |
ncohrt |
average precipitation by month for current year |
fc |
field capacity |
dry |
wilting point |
tyl |
total yearly litter |
C.mat |
carbon matrix |
ff weights and n content of forest floor by litter type
availn available N
tyln leaf litter N content
hcn humus C:N ratio
sco2 total soil co2-c
ncohrt number of cohorts
C.mat matrix for data on litter cohorts
Ann Raiho
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