RHESSys Thinning Results in Sagehen

Authors:

Louis Graup

Owners:

Louis Graup

Type:

Resource

Storage:

The size of this resource is 39.9 MB

Created:

Nov 15, 2022 at 8:34 p.m.

Last updated:

Nov 18, 2022 at 8:47 p.m.

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Abstract

This resource contains RHESSys model output data from virtual thinning experiments in Sagehen Creek Experimental Forest, Sierra Nevada, CA, produced for the CA Wildlife Conservation Board. The model domain is the experimental hillslope, which allows for subsurface lateral redistribution of upslope water subsidies from thinning. Each thinning scenario is a 15-year simulation varying climate, ecophysiological parameter uncertainty, topographic aspect and elevation, as well as treatment strategies. We primarily consider the effect of thinning intensity, location, and frequency. We simulate a low- and high-intensity treatment by removing 30 or 60% canopy cover, respectively. We vary location by thinning only upslope areas, only riparian areas, or both upslope and riparian areas. The control scenario is an untreated forest. These results are in files dated 91322, "thinwyb" for basin output, "thinwyz" for zone output, "thinwys" for stratum output. We also run a single treatment scenario (30% thinning on S-facing, low-elevation hillslope in both locations) over 50 years and vary thinning frequency to consider interactions between long-term climate, vegetation regrowth, and water yield. The long-term data set is thinwybres102522.csv, just basin output.

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:

WGS 84 EPSG:4326

Coordinate Units:

Decimal degrees

Place/Area Name:

Sagehen Creek Experimental Forest

Longitude

-120.2579°

Latitude

39.4371°

Streets Terrain Satelite

Spatial Extent

Content

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Additional Metadata

Name	Value
wy	Water Year (Oct 1st - Sept. 30th)
int	Thinning Intensity (30/60%)
lai	Mean Annual Leaf Area Index
loc	Thinning Location (Control, Upslope, Riparian, or Thin Both)
npp	Total Annual Net Primary Productivity (kgC/m^2)
pcp	Total Annual Precipitation (m)
swe	Peak Snow Water Equivalent (m)
Q_CM	Streamflow Center of Mass (water year day)
Site	Upslope (U) or Riparian (R)
clim	Climate Scenario #
elev	Elevation (Hi/Lo)
evap	Total Annual Evaporation (m)
freq	Thinning Frequency (# of treatments in 50 years)
melt	Snowmelt day (water year day)
scen	Scenario #
P_sum	Annual Precipitation (m)
Q_max	Peak Daily Streamflow (m/day)
Q_min	7-day Averaged Minimum Streamflow (m/day)
Q_sum	Annual Streamflow (m)
T_sum	Annual Transpiration (mm)
cpool	Min Annual Non-structural Carbohydrates (kgC/m^2)
param	Parameter Set #
trans	Total Annual Transpiration (mm)
SWE_pk	Peak Snow Water Equivalent (m)
aspect	Topographic Aspect (N/S)
height	Mean Annual Tree Height (m)
plantc	Max Annual Plant Carbon (kgC/m^2)
zoneID	RHESSys numerical ID, refers to upslope or riparian patch family
vpd_mean	Mean Annual Vapor Pressure Deficit (kPa)
rootdepth	Mean Annual Rooting Depth (m)
stratumID	RHESSys numerical ID, ending in 041 is an understory shrub, otherwise overstory tree
tavg_mean	Mean Annual Average Temperature (deg C)
tmax_mean	Mean Annual Maximum Temperature (deg C)
tmin_mean	Mean Annual Minimum Temperature (deg C)

How to Cite

Graup, L. (2022). RHESSys Thinning Results in Sagehen, HydroShare, http://www.hydroshare.org/resource/8ce96cf4025746f2a96bb97650fc1f3a

This resource is shared under the Creative Commons Attribution CC BY.

http://creativecommons.org/licenses/by/4.0/

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