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ModelingWork.html
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<div id="header">
<h1 class="title toc-ignore">Get to (Modeling) Work</h1>
<h4 class="author"></h4>
</div>
<hr />
<div id="this-page" class="section level3">
<h3>This page:</h3>
<ul>
<li>Get a description and model by:
<ul>
<li>Understanding and finding your Map Zone</li>
<li>Downloading a BpS description</li>
<li><a href="./isolateLoadModel.pdf" target="blank">Isolate and loading
your model</a> into SyncroSim</li>
</ul></li>
<li>Modifying reference condition models in Syncrosim
<ul>
<li>Change probabilities</li>
<li>Change disturbances</li>
<li>Add or delete a state or disturbance</li>
</ul></li>
</ul>
<hr />
<p>We will walk through the process with the <strong>Inter-Mountain
Basins Montane Sagebrush Steppe</strong> Biophysical Setting of the
northwestern United States. This ecosystem will be the subject of later
tutorials.</p>
</div>
<div id="understand-and-find-your-map-zone" class="section level2">
<h2>Understand and find your Map Zone</h2>
<p>There are hundreds of Biophysical Settings in the U.S., and some of
them occur in more than one Map Zone. A Map Zone is a product delivery
and summary polygon from the <a
href="https://www.mrlc.gov/national-land-cover-database-nlcd-2016"
target="blank">National Landcover Database Program</a>.</p>
<p>In the map below, pan, zoom, scroll to your area of interest, then
hover over the Map Zone you need the number for. A tooltip will pop up
with that info. Take note of it for the next step.</p>
<p><strong>For the Inter-Mountain Basins Montane Sagebrush Steppe
example, scroll to eastern Oregon, Map Zone 9.</strong></p>
<p><br></p>
<iframe title="My embedded document" src="leafletSIM2carto.html" frameborder="0" width="100%" height="400"></iframe>
<p><br></p>
</div>
<div id="download-a-bps-description" class="section level2">
<h2>Download a BpS Description</h2>
<p>Visit the <a href="http://landfirereview.org/search.php"
target="blank">LANDFIRE BpS Download</a> to search for and retrieve
LANDFIRE BpS models and descriptions. Download the <a
href="http://landfirereview.org/search.php?q=Inter-Mountain%20Basins%20Montane%20Sagebrush%20Steppe&hPP=20&idx=lf_landfire_dev&p=0&is_v=1"
target="blank">Inter-Mountain Basins Montane Sagebrush Steppe
description</a> for Map Zones 1, 7, 8, 9, 10, 19. Note: selecting “Map
Zones” on left panel at above link will shorten the search list. <br>
<br></p>
<center>
<div class="figure">
<img src="images/sageSteppeDownload.JPG" alt="Zoomed in screenshot of header of a BpS, screenshot depicts the Inter-Mountain Basins Montane Sagebrush Steppe; Model number: 11260; Map Zone(s): 1,7,8,9,10,19; Vegetation Type: Steppe/Savanna" width="85%" />
<p class="caption">
Zoomed in screenshot of header of a BpS, screenshot depicts the
Inter-Mountain Basins Montane Sagebrush Steppe; Model number: 11260; Map
Zone(s): 1,7,8,9,10,19; Vegetation Type: Steppe/Savanna
</p>
</div>
Correct Inter-Mountain Basins Montane Sagebrush Steppe BpS model and
description.
</center>
<p><br> <br></p>
</div>
<div id="isolate-and-load-your-model" class="section level2">
<h2>Isolate and load your model</h2>
<p>Once you have SyncroSim installed <a href="./VegetationModeling.html"
target="blank">(see Vegetation Modeling)</a> and both ST-Sim and
lfvegmodels packages loaded, you will want to isolate one (of the ~ 900)
BpS models to work with. The lfvegmodels package loads all of the models
into your SyncroSim environment – you do not need to work with all 900
models (though that is possible)!</p>
<p><br></p>
<style>
div.blue { background-color:#cde6c8; border-radius: 5px; padding: 20px;}
</style>
<div class="blue">
<center>
<font size="4"> <strong><a href="./isolateLoadModel.pdf"
target="blank">Instructions for isolating and loading a single BpS
model</a>.</strong> </font>
</center>
</div>
<p><br></p>
</div>
<div id="modifying-a-reference-condition-model" class="section level2">
<h2>Modifying a reference condition model</h2>
<p>Within SyncroSim there are a wide range of techniques available to
modify a model. Here we introduce the main ways for modifying a model
while working through the Inter-Mountain Basins Montane Sagebrush Steppe
example.</p>
<ol style="list-style-type: decimal">
<li>Feel ready to start tinkering with the model? Read on.</li>
<li>Feel unsure and need more guidance? See this <a
href="http://www.apexrms.com/tutorials/" target="blank">extensive
list</a> of tutorial from ApexRMS. <br> <br></li>
</ol>
<div id="change-the-probability-of-a-disturbance-in-one-state-class"
class="section level3">
<h3>Change the probability of a disturbance in one state class</h3>
<p>A key starting point in modifying a model is to <strong>change
disturbances</strong>. There are multiple methods for this including
changing them one at a time, per state class. Here we will show you how
to change the replacement fire probability in one class.</p>
<p>Download Video 1 script for printing <a
href="scripts/video1oneDist.pdf" target="blank">here.</a></p>
<p>To make any of the videos below larger, click play and select full
screen view (bottom right corner).<br />
<br></p>
<center>
<iframe width="896" height="504" src="https://www.youtube.com/embed/GxxeSp0mzvA" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen>
</iframe>
</center>
<p><br> <br></p>
</div>
<div
id="change-the-probability-of-a-disturbance-across-the-entire-model"
class="section level3">
<h3>Change the probability of a disturbance across the entire model</h3>
<p>While getting to know your models we recommend changing one parameter
at a time. This will allow you to get a feel for how it works, and for
the sensitivities to adjust to various changes. That said, there are
times where you may make “global” changes to the model. For example, you
may “turn off” all fires as a way to explore impacts of fire
suppression. Or, you may not have perfect fire suppression, but suppress
90% of all fires. Instead of changing one fire transition at a time we
will show you how to use <strong>transition multipliers</strong> to
modify a type of transition everywhere it occurs in the model in a few
easy steps.</p>
<p>Download Video 2 script for printing <a
href="scripts/video2changeTransAcrossBpS.pdf" target="blank">here.</a>
<br></p>
<center>
<iframe width="896" height="504" src="https://www.youtube.com/embed/75PogiK56GU" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen>
</iframe>
</center>
<p><br> <br></p>
</div>
<div id="introduce-a-new-disturbance" class="section level3">
<h3>Introduce a new disturbance</h3>
<p>There are many new transitions on the landscape today including
exotic pests, multiple types of logging and tree planting. Here we will
show you how to add in a new <strong>probabilistic
transition</strong>.</p>
<p>Download Video 3 script for printing <a
href="scripts/video3newdisturbance.pdf" target="blank">here.</a>
<br></p>
<center>
<iframe width="896" height="504" src="https://www.youtube.com/embed/YgTCwCabojo" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen>
</iframe>
</center>
<p><br> <br></p>
</div>
<div id="add-a-new-state" class="section level3">
<h3>Add a new state</h3>
<p>New and/or altered transitions often result in <strong>new
states</strong>. For example, in the Great Lakes combinations of modern
transitions have resulted in what some call “maple monocultures”. These
are forests that would typically have 5+ species represented, but now
generally have one, sugar maple. Here we demonstrate how to <strong>add
a state</strong>.</p>
<p>Download Video 4 script for printing <a
href="scripts/video4newState.pdf" target="blank">here.</a> <br></p>
<center>
<iframe width="896" height="504" src="https://www.youtube.com/embed/-EbW8vAg_bg" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen>
</iframe>
</center>
<p><br> <br></p>
</div>
<div id="delete-a-state" class="section level3">
<h3>Delete a state</h3>
<p>Occasionally, because of natural factors (e.g., an exotic pest) or
user error you may want to <strong>delete an entire state</strong>. Here
we will show you how to do that.</p>
Download Video 5 script for printing <a
href="scripts/video5deleteState.pdf" target="blank">here.</a><br />
<br>
<center>
<iframe width="896" height="504" src="https://www.youtube.com/embed/Z9O3VHv0Vs8" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen>
</iframe>
</center>
<hr />
<div id="whats-next" class="section level4">
<h4>What’s next?</h4>
<ul>
<li>learn about the capability of ST-Sim to incorporate <a
href="./advancedModeling.html" target="blank">variability and limits</a>
into BpS models</li>
<li>dive into the complexities of using spatial models</li>
</ul>
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