PPT-Complexity and Accuracy: A Comparison of Three Hydrological Models

Shawn M Carter and Sagy Cohen Motivation Since 1903 Floods cost an average 54 billion and over 90 lives per year in the United States 1 More than half of fatalities from natural disasters worldwide are caused by floods. 1 02 03 04 05 06 07 08 09 1 Measured Value of x Fraction of Total Measurements SD 01 SD 02 SD 03 brPage 5br mean standard deviation histogram Figure 3 Mass of Unknown Sample 102 104 106 108 11 112 114 116 118 12 Mass kg of Measurements brPage 6br hydrological drought Hydrological Drought Hydrological drought is defines as a significant decrease in the availability of water in all its forms appearing in the land phase of the hydrological cycl Shawn M Carter and . Sagy. Cohen. Motivation. Since 1903:. Floods cost an average $5.4 billion and over 90 lives per year in the United States. 1. More than half of fatalities from natural disasters worldwide are caused by floods. Model Learning . DCAP Meeting. Madalina Fiterau. 22. nd. of February 2012. 1. Outline. Motivation: need for interpretable models. Overview of data analysis tools. Model evaluation – accuracy . Gilbert Brunet. Director . Meteorological Research Division. Environment Canada. FUTURE SEAMLESS GLOBAL DATA-PROCESSING AND FORECASTING SYSTEMS (GDPFS) MEETING. Geneva, Switzerland, 10-12 February 2016. . Uncertainties. in . Water-Resources. . Modelling. in . Central. America. Methods. . for. . Uncertainty. . Estimation. and . Model. . Evaluation. Introduction. and background. Opponent. : Alberto Montanari. Seth Bullock. 2 July 2012 . Institute for Complex. Systems Simulation. About Me. Game Theory. Networks Science. Simulation Modelling. Visualization. Interdisciplinarity. Philosophy of Science. Methodology. SEPTEMBER . 2017. MANAGED BY. A . spatio. -temporal assessment of the impact of climate change on hydrological . refugia. in Eastern Australia using the . Budyko. water balance framework. Luke Kidd - BMT WBM. J. J. van Tol, S.A. Lorentz & P. A. L. Le Roux. Hydropedology dialogue Pretoria. 2014. Introduction. Catchments are ideal management units. Hillslope determine hydrological response. Fundamental landscape unit. Model Learning . DCAP Meeting. Madalina Fiterau. 22. nd. of February 2012. 1. Outline. Motivation: need for interpretable models. Overview of data analysis tools. Model evaluation – accuracy . Model Learning . DCAP Meeting. Madalina Fiterau. 22. nd. of February 2012. 1. Outline. Motivation: need for interpretable models. Overview of data analysis tools. Model evaluation – accuracy . Enquiry question 2: What factors influence the hydrological system over short- and long-term timescales? EQ1 : What are the processes operating within the hydrological cycle from global to local scale Lijie. Chen. MIT. Today’s Topic. Background. . What is Fine-Grained Complexity?. The Methodology of Fine-Grained Complexity. Frontier: Fine-Grained Hardness for Approximation Problems. The Connection. B. urak. Sal. (Presenter). , . M. Altun. Istanbul Technical University, Istanbul, Turkey. Motivation. CALT uses 6 samples. ALT uses 100 samples. WHICH ONE DO YOU CHOOSE ?. 6 samples < 100 samples .