Statistical Tool for Extreme Climate Analysis (STECA) User Manual
Contents
1. Input File List submenu and the File Input screen appears Open the appropriate folder and select the desired file type in the file type list box Select the desired files To select multiple files hold down the Ctrl key while clicking on them Once the selection is completed click the Select File button A screen for entering the name of the list comes up Type in an appropriate name and follow the on screen instructions Select Input File Once the list is completed select it as an input file from the appropriate submenu of the File menu Proceed with the desired analysis as before 5 SAVING THE OUTPUT The output of the analysis is printed to the screen and written to a text file as well A message appears to indicate the destination of the text file 142. choices Kolmogorov Smirnov Test Probability Plot Correlation Test Event of Specified Return Period and Return Period of Specified Event Clicking on any of these choices it will bring the user to the next screen On this screen the user will need to choose a method of Frequency Distribution Analysis that is available from the drop down list box Choosing any of the methods and clicking on the Proceed On button will calculate the results and print them to the screen Extreme Low Value Frequency Analysis The same methodology used for applies to the high value frequency applies to the Low Value Frequency Analysis The only difference is that from the main menu selecting Low Value Frequency Analysis presents two submenu choices Left Unbounded and Left Bounded by Zero Both of these sub menus present four more sub menu choices Kolmogorov Smirnov 13 Test Probability Plot Correlation Test Event of Specified Return Period and Return Period of Specified Event The input file will be an annual minimum series marked by Min at the end of the file name e g 1012040Min 001 Multiple Station Analysis For the Multiple Station option the input file is a file containing a list of selected stations There is an option for selecting the file list in the appropriate submenu of the File menu Select Input File List When multiple station option is selected the multiple station analysis main menu appears From File menu select the Select
3. menu From the drop down sub menu select and click the Mann Kendall Trend icon The Mann Kendall Trend computation screen appears Click the Run button The results of the Mann Kendall Trend test are written to the screen and to a disk in a text file VldFrqOut Kruskal Wallis Test Select an annual maximum or minimum series data file as an input file From the Data Preparation main menu select the Data Validation sub menu From the drop down sub menu select the Kruskal Wallis icon The Kruskal Wallis Test computation screen comes up Click the Run button The results of the Kruskal Wallis Test are written to the screen and to a disk in a text VIdFrqOut Basic Statistics Computation Basic Statistics Computations are done for the daily data series and the annual maximum or minimum series Annual Extreme Value Basic Statistics Select an annual maximum or minimum series data file as an input file From the Data Preparation main menu select the Annual Extreme Value Basic Statistics sub menu The Basic Statistics computation screen appears Click on the Calculate Basic Statistics button The results of the Basic Statistics computations are written to the screen and to a disk in a text file VidFrqOut Daily Data Basic Statistics Select a daily data series file as an input file From the Data Preparation main menu select the Daily Data Basic Statistic sub menu and then select and click the Calculate Dly Data Basic Stat
4. will then appear as previously shown in Figure 6 The Daily Maximum Temperature File with the extension 001 is to be selected To load the file either double click on the file or select and click the File button A screen showing the name of the selected file will then appear If the selected file is the correct one press the Yes option to select it Click the OK button to proceed with the computation Now one must go to the Atmospheric Climate menu From the drop down sub menu select and click the Heat Wave sub menu The result of the analysis will then be printed on the screen and saved to a disk as a text file A message box appears to indicate the destination of the text file Cold Wave Begin with the selection of an input file The input file is selected by choosing the Input File sub menu from the File menu The Input File Selection Screen will then appear as previously shown in Figure 6 The Daily Maximum Temperature File with the extension 001 is to be selected To load the file either double click on the file or select and click the File button A screen showing the name of the selected file will then appear If the selected file is correct then the Yes option is to be selected Click the OK button to proceed with the computation Now one must go to the Atmospheric Climate menu From the drop down sub menu select and click the Cold Wave sub menu The result of the analysis will then be printed on the screen and a text file will al
5. Environment Enwronnement E o k a daptation amp Impacts Resear E E Statistical Tool for Extreme Climate Analysis STECA User Manual STE CA Software splash Screen AG Researttl aplalion amp linpacks Researe Adaptation and Impacts Research Group AIRG Meteorala qical Semice of Canada STECA Copyright 2003 03 27 AIAG This software is used for computation of climatic parameters and extreme valle analysis Adaptation and Impacts Research Group AIRG Meteorological Service of Canada STECA User Manual 1 SETUP OR INSTALLATION OF THE SOFTWARE a Double click the setup exe file STECA Setup screen showing Welcome to the STECA installation program Figure 1 message appears va STECA Setup aha Yi Figure l Setup Screen 1 b Click the OK button Figure 2 shows up C Click the Change Directory button STECA Setup 7 STECA Setup Begin the installation by clicking the button below Click this button to install STECA software to the specified destination directory gt Directory C Program Files Steca Change Directory Exit Setup Figure 2 Setup Screen 2 The screen shown in Figure 3 will appear Chose the desired drive where the software is to be installed In the path box type STECA after the drive name as shown in Figure 3 Then click the OK button Figure 4 appears Follow the screen instruct
6. Input File sub menu from the File menu The Input File Selection Screen will then appear as previously shown in Figure 6 The Daily Average Temperature File with the extension 003 is to be selected To load the data file either double click on the file or select and click the File button A screen showing the name of the selected file will then appear If the selected file is the correct one press the Yes option to select it Click the OK button to proceed with the computation Atmospheric Climate Heat Index Begin with the selection of an input file The input file is selected by choosing by selecting the Input File sub menu from the File menu The Input File Selection Screen will then appear as previously shown in Figure 6 The Hourly Atmospheric Temperature i e the dry bulb temperature File with the extension 078 is to be selected To load the file either double click on the file or select and click the File button A screen showing the name of the selected file will then appear If the selected file is the correct one press the Yes option to select it Click the OK button to proceed with the computation The result of the analysis will then be printed on the screen and a saved to a disk as text file A message box appears to indicate the destination of the text file Heat Wave Begin with the selection of an input file The input file is selected by choosing the Input File sub menu from the File menu The Input File Selection Screen
7. Wallis Test For these tests the user needs to select an annual maximum or minimum series as an input file from the File menu For the Frequency Analysis the user first needs to generate the annual maximum or minimum series The annual maximum or minimum series can be generated by selecting any daily data series file as an input file Following this the user must proceed by switching to the Data Preparation main menu then selecting the Extract Data Series and finally selecting and clicking the Extreme High sub menu for the maximum or Extreme Low sub menu for the minimum series Once the series computation is complete the program informs the user of the destination of the files computed by a message on the screen Now the user needs to select that maximum or minimum series as an input file for the Frequency Analysis For the High Value Frequency Analysis one must select a maximum data series while for a Low Value Frequency Analysis one must select a minimum data series The High Value Frequency Analysis main menu has 4 sub menus which include Event of Specified Return Period Return Period of Specified Event Kolmogorov Smirnov Test and Probability Plot Correlation Coefficient Test By selecting the High Value Frequency Analysis from the main menu and choosing one of those sub menus mentioned above it brings the user to an option form in a drop down list box This list box provides 3 options for frequency analysis methods Normal Gumbel
8. and Pearson Type 3 Distributions Selecting any of the available option completes the analysis The result of the analysis is written to the screen on the screen and is also saved on a disk A message box appears informing the user that the file has been saved The Low Value Frequency Analysis menu has two sub menus Left Unbounded and Left Bounded by Zero The Left Unbounded has the sub menus that are identical to the High Value Frequency Analysis Event of Specified Return Period Return Period of Specified Event Kolmogorov Smirnov Test and Probability Plot Correlation Coefficient Test By selecting any of the sub menus it brings the user to a form from where one needs to select a frequency distribution method in a drop down list box As mentioned previously 3 methods are available Selecting any of the available options completes the analysis The result of the analysis comes up on the screen and is also saved on a disk A message box appears informing the user that the file has been saved The Left Bounded by Zero sub menu has the same sub menus as that of the Left Unbounded but with 3 additional distributions listed in the drop down list box These include Weibull Log Normal and Log Pearson Type 3 Distributions For Wind Chill Heat Index Heat Wave and Relative Humidity Analysis one must select the appropriate option and then click the Proceed On Button From the Atmospheric Climate option one must choose an appropriate sele
9. ction Depending on the selection made a screen will then appear with the results The last menu is the Help menu which explains each of the menus sub menus methods procedures of analysis data formats and the sequences of analytical processes The Help menu can be invoked anytime by pressing the F1 key Currently the Help menu items are still at the development stages J LOADING THE DATA FILE The input file is selected by choosing the Input File sub menu from the File menu The Input File Selection Screen will then appear as shown in Figure 6 4 CALCULATION PROCEDURE Clicking on the Start button in the lower left hand corner of the desktop brings up a menu list A menu list will then appear Click on the Programs icon From the Programs menu select the STECA sub menu Then proceed by clicking the Steca sub menu The option screen will then appear Make the selection of an analysis option and a station option that one wishes to use For a single station option the following analyses can be conducted im Selet a file 4nnualh ae aluePick up vbp EJF Avg empf ormat bas EJ STECA ctrmF req LFS frm E VB Projects cleStation cls CodeModule Temperature bas FrequencyGralvsis T emperature bas frm Freq LowLB4 eibull frrr Frew bont frrr alfest o Figure 6 File Input Screen Single Station Analysis Degree Day The analysis begins with the selection of an input file The input file is reached by selecting the
10. en to the screen and to a disk in a text file VldFrqOut Auto Correlation Test or Serial Correlation Select an annual maximum or minimum series data file as an input file From the Data Preparation main menu select the Data Validation sub menu From the drop down sub menu select and click the Auto Correlation The Serial Correlation computation screen appears Click on the Run button The results of the Auto Correlation test are written to the screen and to a disk in a text file VlIdFrqOut Mann Whitney Shift Select an annual maximum or minimum series data file as an input file From the Data Preparation main menu select the Data Validation sub menu From the drop down sub menu select Mann Whitney Shift The Mann Whitney Shift computation screen appears Click on the Run button The results of the Mann Whitney Shift test are written to the screen and to a disk in a text file VldFrqOut Box Plot Select an annual maximum or minimum series data file as an input file From the Data Preparation main menu select the Data Validation sub menu From the drop down sub menu 11 select Box Plot The Box Plot computation screen comes up Click the Run button The results of the Box Plot test are written to the screen and to a disk in a text file VldFrqOut Mann Kendall Trend Select an annual maximum or minimum series data file as an input file From the Data Preparation main menu select the Data Validation sub
11. ency Analysis Atmospheric Climate Analysis Heat Index Wind Chill and Relative Humidity The station option has only two choices Single Station and Multiple Station Any analysis begins with the selection of an input data file from the File menu In the main menu there is a File menu which has an Input File sub menu Once the input file is selected further data analysis can be achieved For the multiple station option the input file is a file containing a list of selected stations Here there is an option for making the file list in the sub menu of the File menu For the Degree Day analysis the user needs to select an average daily temperature file with the extension 003 The drop down menu of the Degree Day menu contains menus for Heating Degree Day and Cooling Degree Day computations Clicking the appropriate sub menu completes the analysis giving a message about where the output file is saved The third menu is the Data Preparation which has 4 drop down sub menus that include Extract Data Series Basic Statistic Calculation used for extreme value series Daily Data Basic Statistics used for basic statistic computations of the daily data and Data Validation Extract Data Series has 2 sub menus for the extraction of an annual maximum value Extreme High and an annual minimum value Extreme Low Data Validation has 6 sub menus Randomness Auto Correlation Test Mann Whitney Shift Box Plot Mann Kendall Trend and Kruskal
12. h the screen prompts From the Data Preparation main menu select the Extract Data Series sub menu From this submenu select Extreme High By clicking the Extreme High the annual maximum series will be extracted and will then be written to a disk as a text file A message box appears to indicate the destination of the text file Extraction of Extreme Low Value Series From the File menu go to the Select Input File sub menu Then from the selection screen select the appropriate daily data file Proceed through the screen prompts From the Data Preparation main menu select the Extract Data Series sub menu From this submenu select the Extreme 10 Low The annual minimum series will be extracted and will then be written to a disk in a text file A message box appears to indicate the destination of the text file Data Validation Since the Frequency Analysis is done with the annual maximum or minimum series the data series must be validated first and it must follow certain assumptions The following statistical tests are performed for Data Validation of the annual maximum or minimum series Randomness Select an annual maximum or minimum series data file as an input file From the Data Preparation main menu select the Data Validation sub menu From the drop down sub menu select and click the Randomness icon The Randomness computation screen will then appear Click on the Test Randomness button The results of the Randomness test are writt
13. ions STECA Setup A Change Directory Enter or select a destination directory Path ja STECAl Directories ken Ok ee arcgis a Bi 4 Directe C BORLAND4 0 iPro Ly cygwin ance Drives Eg Figure 3 Change Directory Screen STECA Setup Sa STECA Setup Figure 4 Setup Screen 4 Click the Continue button on the screen as shown in Figure 5 This will take a few minutes for the computer to copy the files and to install the STECA software into the specified drive STECA Setup va STECA Choose Program Group HTML Help Workshop Microsoft Web Publishing PowerQuest PartitionMagic 6 0 Figure 5 Setup Screen 5 After the completion of installation the user will get a message indicating so Just click OK to finish g To open the software for use click the Start button at the lower left corner of the desktop In the Programs menu select the STECA submenu Select the Steca icon in the submenu that appears The option screen will then load 2 DESCRIPTION OF THE SOFTWARE This software has a very self explanatory graphical user interface GUI for input of data and a step by step analysis The screen that appears first is the option screen Here the user must give a computation option The next screen that comes up is based on what type of analysis and what station option one wishes to select The analysis options are Degree Day Basic Statistics Data Preparation Frequ
14. so be saved on a disk A message box appears to indicate the destination of the text file Wind Chill Begin with the selection of an input file The input file is selected by choosing the Input File sub menu from the File menu The Input File Selection Screen will then appear as previously shown in Figure 6 The Hourly Atmospheric Temperature 1 e the dry bulb temperature File with the extension 078 is to be selected To load the file either double click on the file or select and click the File button A screen showing the name of the selected file will then appear If the selected file 1s correct then the Yes option is to be selected Click the OK button to proceed with the computation The result of the analysis will then be printed on the screen and a text file will also be saved on a disk A message box appears to indicate the destination of the text file Relative Humidity Clicking on this submenu will bring up a data input screen Enter the input data in the appropriate text boxes and click the Calculate RH button This action will bring up the results on the screen Extreme Value Analysis The Extreme Value Analysis is done through the annual maximum or annual minimum data series The extreme value series is extracted from the daily data file Extraction of Extreme High Value Series From the File menu select and click the Input File sub menu From the File Selection select the appropriate daily data file Proceed throug
15. sub menu The Basic Statistics of Daily Data computation screen comes up Click on the 12 Calculate Basic Statistic button The results of the Basic Statistics computation are printed to the screen and to a text file provided by the user Student s t Test From the Data Preparation main menu select the Daily Data Basic Statistic sub menu and then select and click the Student s t Test sub menu The Student s t Test screen appears Enter the input data in the text boxes provided and then click the Perform Student s t Test button The result of computation will then be printed to the screen Percentile From the Data Preparation main menu select the Percentiles sub menu The Percentiles of the daily data screen appears Click the Calculate Percentiles button An Input Box pops up Enter the desired season and click OK Another Input Box pops up Enter the desired percentile value in decimal form e g 0 85 for 85 and click OK The result of computation will then be printed to the screen Extreme High Value Frequency Analysis From the File menu select and click the Input File sub menu From the Input File Selection Screen select an annual maximum series file extracted earlier The file name must end with Max before the period For example 1012040Max 001 is the annual maximum series of the daily maximum temperature From the High Value FreqAnalysis main menu select the appropriate sub menu This sub menu presents 4
Download Pdf Manuals
Related Search