MODELS

The conceptual model for Southern Sierra CZO involves understanding varaibles along three axes: i) elevation gradient, representing alo gradients in climate, regolith properties, soils, ecosystems, and associated processes, ii) spatial scales, and iii) temporal scales. We use a variety of numerical models, as reflected in pulications and the work plan.

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Modeling overview

The conceptual model is presented in four panels, illustrated at right, and accompanying text. The panels are: Conceptual model, Processes, Spatial scales and Temporal feedbacks.

The REHSSys panel is linked to a description of one numerical model we are using, the Regional Hydro-Ecologic Simulation System.

Refer to the Conceptual and Numerical models pages for details.

Modelling News

FEATURED

Multiple postdoc and grad student opportunities at UC Merced

12 Sep 2018 - Two postdoctoral scholar positions and multiple MS or PhD research assistantships are currently available at the University of California, Merced....

FEATURED

Water Resources Research Special Collection: Concentration-discharge relations in the critical zone

30 Oct 2017 - Water Resources Research published a new special collection in September 2017 featuring concentration-discharge research from multiple CZOs.


Research Program Update: September 2018

07 Sep 2018 - Recent activities and findings, funding opportunities, upcoming events, and other updates

Research Program Update: July 2018

17 Jul 2018 - Recent activities and findings, funding opportunities, upcoming events, and other updates

Research Program Updates: May 2018

27 May 2018 - Recent activities and findings, funding opportunities, upcoming events, and other updates

Research Program Updates: January 2018

17 Jan 2018 - Recent activities and findings, funding opportunities, upcoming events, and other updates

UCSB graduate team working on collaborative forest restoration strategies in Sierra Nevada

03 Oct 2017 - Five master's students at the UCSB Bren School are incentivizing restoration strategies for private landholders with Sierra RCD.

More News >


Conceptual model

Conceptual model diagram
Southern Sierra elevation and climate gradient, with spatial scaling and temporal feedbacks


Processes

Conceptual model processes and implications
Drivers of critical zone development must be understood together to address science questions and understand implications


RHESSys

Regional Hydro-Ecologic Simulation System
A spatially distributed dynamic model of coupled eco-hydrologic processes.


Spatial scales

Conceptual model—spatial scales
Variables important for spatial scaling of vegetation differences, water cycles and material fluxes


Temporal feedbacks

Feedbacks across time
Variables important for temporal feedbacks of vegetation differences, water cycles and material fluxes