TestAdjules/index.html at main · TrevWork/TestAdjules · GitHub

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<link rel="icon" type="image/png" href="favicon-32x32.png" sizes="32x32"><title>adJULES Home Page</title></head>


<body><img src="test1.png" alt="JULES logo" width="100%" align="middle">


<br>
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<ul>
  <li><a href="index.html">Home</a></li>
  <li><a href="about.html">About</a></li>
  <li><a href="code.html">Code</a></li>
  <li><a href="publications.html">Publications</a></li>
  <li><a href="contact.html">Contact</a></li>
</ul>
<br>

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<h2>Welcome to the adJULES website.</h2>
<p> adJULES is a parameter estimation system designed to optimise the carbon, hydrology, and energy-related parameters of the  <a href="http://jules.jchmr.org/">JULES (the Joint UK Land Environment Simulator) land-surface model </a>.

</p><p>JULES has been automatically differentiated with respect to JULES
 parameters using commercial software from FastOpt, resulting in an
analytical gradient, or adjoint, of the model. Using this adjoint, the
adJULES parameter estimation system has been developed to search for
locally optimum parameters by calibrating against observations. This
robust and sophisticated framework aims to minimise a misfit function
that measures the mismatch between model output and observed latent,
sensible and CO<sub>2</sub> eddy-fluxes. adJULES is also able to provide
 estimates of uncertainties in the best-fit parameters (in the form of
probability density functions, PDFs).

</p><p>
Currently, the adJULES system uses in situ data from individual or
multiple sites to calibrate these parameters. New data sources such as
satellite products are expected to be integrated into the system soon.

</p></div>

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<div class="note" align="center">© 2014 — 2017, developed by N.M. Raoult, maintained by the adJULES team at University of Exeter</div>
<div class="block-content content" align="center"> Funded by the UK Natural Environment Research Council (<a href="https://www.nerc.ac.uk/" style="color: rgb(0,163, 204)">NERC</a>) through the National Centre for Earth Observation (<a href="https://www.nceo.ac.uk/" style="color: rgb(0,163, 204)">NCEO</a>)</div>
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