Modeling Hydrologic Change: Statistical Methods - Chapter 13 (end) docx

... 13 13 7 0.0038 12 12 10 0.1504 12 15 11 0.1286 12 18 11 0.0651 13 13 8 0. 0131 12 12 11 0.2632 12 15 12 0.2351 12 18 12 0 .131 2 13 13 9 0.0341 12 13 5 0.0003 12 16 6 0.0005 12 18 13 0.2304 13 13 ... 0.0812 12 13 6 0.0017 12 16 7 0.0018 12 19 6 0.0001 13 13 11 0.1566 n 1 n 2 Rpn 1 n 2 Rp n 1 n 2 Rpn 1 n 2 Rp 13 13 12 0.2772 13 16 12 0 .139 6 13 19 10 0. 0132 14 15 7 0.0...

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... 1941 Modeling hydrologic change: statistical methods / Richard H. McCuen. p. cm. Includes bibliographical references and index. ISBN 1-5 667 0-6 0 0-9 1. Hydrologic models. 2. Hydrologic Statistical methods. ... Series 13. 4 Modeling Issues 13. 4.1 Selecting a Model 13. 4.2 Calibration Strategies 13. 4.3 Simulating a Stationary Annual Maximum-Discharge Series 13....

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... cross- correlogram. Distinct differences exist between auto- and cross-correlation. First, while the autocorrelation coefficient for lag-0 must be 1, the cross-correlation coef- ficient for lag-0 ... variable. The lag-2 correlation, while less than the lag-1 correlation, is also significant. The closeness of the lag-2 correlation to the lag-1 correlation and the gradual decrease of the lag-3, la...

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... upper, one-tailed lower, and two-tailed hypotheses related to the hydrologic effects of afforestation. 3-1 2 Develop one-tailed upper, one-tailed lower, and two-tailed hypotheses related to hydrologic ... exact. 3.5 PROBLEMS 3-1 What are the characteristics of a null hypothesis and an alternative hypoth- esis? 3-2 Why is it necessary to state the null hypothesis as a finding o...

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... 0.1017 14600 4.164353 7 0.1186 137 00 4 .136 721 8 0 .135 6 135 00 4 .130 334 9 0.1525 133 00 4.123852 10 0.1695 132 00 4.120574 11 0.1864 12900 4.110590 12 0.2034 11600 4.064458 13 0.2203 11100 4.045323 14 ... the base-10 logarithms of 0.36 and 0.15, respectively, find the 1 0-, 5 0-, and 100-year magnitudes assum- ing a lognormal distribution. 5-1 7 Given a mean and standard dev...

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... in the time series of T. (d) Compute the lag-0 cross-correlation coefficient between T and P, and interpret the result. 6-1 3 Discuss the use of moving-average filtering on the criterion variable ... 145-acre watershed. Compute the correlation coef - cient and graph the data. Interpret the results from statistical and hydro- logic standpoints. 6-1 1 The following time series represen...

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... of Problem 7-7 for the alternative hypoth- esis of an increasing trend. 7-1 4 Apply Kendall’s test to the data of Problem 7-8 for the alternative hypoth- esis of an increasing trend. 7-1 5 The following ... Problem 7-3 . 7-2 7 Using the data of Problem 7-1 9, test the significance of the Spearman correlation coefficient between the degree-day factor D and the discharge Q. 7-2...

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... 2710}, B = {4520, 4840, 8320, 139 00, 71500, 6250, 2260, 318, 133 0, 970, 1920, 15100, 2870, 20600, 3810, 726, 7500, 7170, 2000, 829, 17300, 4740, 134 00, 2940, 5660}. 8-1 3 Trees on one watershed of ... determine whether the methods provide similar values. a. Use the paired t-test to decide. b. Apply the two-sample t-test (Section 8.4) and compare the results with the paired t-test....

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... from more than two distributions, referred to as k -sample tests. 9.2 CHI-SQUARE GOODNESS-OF-FIT TEST The chi-square goodness-of-fit test is used to test for a significant difference between the ... Kolmogorov–Smirnov two- sample test to decide if the percentages are from the same distribution. W 16.4 15.7 14.9 14.6 13. 9 13. 3 13. 0 12.4 12.1 13. 6 14.7 15.1 A 14.8 14.2 13. 5 13....

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... subjected to a frequency analysis, and the 10-year discharge computed. By simulating a large number of n-year sequences, the distri- bution of the 7-day, 10-year low flow could be determined. By performing ... population prob- ability P p to assess the true bias and accuracy. 11.6 PROBLEMS 1 1-1 Identify a system and its components for each of the following: a. A 200-square-mile watershed....

Ngày tải lên: 11/08/2014, 10:22