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Author  |
Wallach, D.; Rivington, M. |
| Title |
Development of a common set of methods and protocols for assessing and communicating uncertainties |
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Report |
| Year |
2013 |
Publication |
FACCE MACSUR Reports |
Abbreviated Journal |
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| Volume |
2 |
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Pages |
D-C4.1.1 |
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| Abstract |
This reports sets out an outline approach to create definitions of uncertainty and how it might be classified. This is not a prescriptive approach rather it should be seen as a starting point from which further development can be made by consensus with CropM partners and across MACSUR Themes. We propose both a numerical quantification of uncertainty and text based classification scheme. The rational is to be able to both establish the terms and definitions in quantifying the impact of uncertainty on model estimates and have a scheme to enable identification of connectivity between types and sources of uncertainty. The aim is to establish a common set of terms and structure within which they operate that can be used to guide work within CropM. No Label |
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MA @ admin @ |
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2241 |
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| Author |
Wallach, D.; Rivington, M. |
| Title |
A framework for assessing the uncertainty in crop model predictions |
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Report |
| Year |
2014 |
Publication |
FACCE MACSUR Reports |
Abbreviated Journal |
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| Volume |
3 |
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Pages |
D-C4.1.2 |
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It is of major importance in modeling to understand and quantify the uncertainty in model predictions, both in order to know how much confidence to have in those predictions, and as a first step toward model improvement. Here we show that there are basically three different approaches to evaluating uncertainty, and we explain the advantages and drawbacks of each. This is a necessary first step toward developing protocols for evaluation of uncertainty and so obtaining a clearer picture of the reliability of crop models. No Label |
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no |
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MA @ admin @ |
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2231 |
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| Author |
Wallach, D.; Rivington, M. |
| Title |
Standardised methods and protocols based on current best practices to conduct sensitivity analysis |
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Report |
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2015 |
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FACCE MACSUR Reports |
Abbreviated Journal |
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6 |
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D-C4.2.1 |
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The purpose of this report is to propose a general procedure for sensitivity analysis when used to evaluate system sensitivity to climate change, including uncertainty information. While sensitivity analysis has been largely used to evaluate how uncertainties in inputs or parameters propagate through the model and manifest themselves in uncertainties in model outputs, there is much less experience with sensitivity analysis as a tool for studying how sensitive a system is to changes in inputs. This report should help make clear the differences between these two uses of sensitivity analysis, and provide guidance as to the procedure for using sensitivity analysis for evaluating system sensitivity to climate change. No Label |
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no |
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MA @ admin @ |
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2100 |
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| Author |
Wallach, D.; Rivington, M. |
| Title |
Identification and quantification of differences between models |
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Report |
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2015 |
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FACCE MACSUR Reports |
Abbreviated Journal |
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6 |
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D-C4.2.2 |
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A major goal of crop model inter-comparison is model improvement, and an important intermediate step toward that goal is understanding in some detail how models differ, and the consequences of those differences. This report is intended as a first attempt at describing possible techniques for relating differences between model outputs to specific aspects of the models. No Label |
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no |
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MA @ admin @ |
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2101 |
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| Author |
Wallach, D.; Rivington, M. |
| Title |
A framework structure to integrate improved methods for uncertainty evaluation, and protocols for methods application |
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Report |
| Year |
2014 |
Publication |
FACCE MACSUR Reports |
Abbreviated Journal |
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3 |
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D-C4.1.2 |
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CropM |
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no |
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MA @ admin @ |
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2078 |
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