Climate change analysis with monthly data (Clic-MD)

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Climate change analysis with monthly data
(Clic-MD)
Concepts, equations and system use
Francisco Bautista1
Aristeo Pacheco2
Dorian Antonio Bautista-Hernández2
Febrero 2016
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Centro de Investigaciones en Geografía Ambiental, Universidad Nacional Autónoma de México
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Skiu, Scientific knowledge in use, www.actswithscience.com

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Bautista F., A. Pacheco., D.A. Bautista-Hernández. 2016. Climate change analysis with
monthly data (Clic-MD) Skiu. 57 pp.
ISBN: 978-607-96883-5-6
DR @ 2016. Skiu, Scientific Knowledge In Use ©
All rights reserved in accordance with the law. No part of this work may be reproduced by
any means, without written consent of Skiu or of the corresponding holders.
The authors are also grateful to Dr. Ma. Del Carmen Delgado Carranza and Eng. Oscar
Álvarez Arriaga.
This document was assessed by:
Dr. Oscar Frausto Martínez Universidad de Quintana Roo
Dr. Jorge L. Leirana Alcocer. Universidad Autónoma de Yucatán.
Dra. Elvira Díaz Pereira. Centro de Edafología y Biología Aplicada del Segura-Consejo
Superior de Investigaciones Científicas, Murcia, España.

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TABLE OF CONTENTS
1. INTRODUCTION ........................................................................................................................................ 6
2. VARIABLES INPUT ................................................................................................................................... 8
3. CLIC-MD INSTALLATION....................................................................................................................... 9
4. CLIC-MD SYSTEM OPERATION ...........................................................................................................12
4.1 CLIMATOLOGICAL STATIONS MENU ............................................................................................ 14
4.2 CAPTURE MENU ............................................................................................................................... 15
4.3 THE REVIEW MENU .......................................................................................................................... 18
4.4 EDIT MENU ......................................................................................................................................... 19
4.5 CALCULATION MENU ....................................................................................................................... 20
4.5.1 POTENTIAL EVAPOTRANSPIRATION .........................................................................................21
4.5.2. AGROCLIMATIC INDICES ...........................................................................................................25
4.5.3. CLIMOGRAM .................................................................................................................................28
4.5.4. LENGTH OF GROWING PERIOD (LPC) .....................................................................................31
4.5.5 MONTHLY RAINFAILL PROBABILITY .........................................................................................33
4.5.6. ANALYSIS OF TRENDS OF CLIMATE CHANGE ........................................................................36
4.5.7 IDENTIFICATION OF CLIMATIC ANOMALIES ..........................................................................45
4.5.8 GRAPHICS OF ANNUAL INCREASES AND DECREASES OF CLIMATIC ELEMENTS .............47
4.5.9 DESCRIPTIVE MONTHLY STATISTICS OF CLIMATIC ELEMENTS ..........................................49
4.5.10. CLIMATIC AND AGROCLIMATIC DATA SUMMARY ...............................................................50
5. OPTIONS MENU ........................................................................................................................................51
6. HELP MENU ...............................................................................................................................................52
6.1 ABOUT CLIC-MD ..............................................................................................................................52
APPENDIX I ....................................................................................................................................................55

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Index of Tables and Figures
Figure 1. Clic-MD input and output variables…………………………………... 7
Figure 2.a. Installation screen ……………………………………………………. 9
Figure 2.b. Default installation directory screen ……………………………. 10
Figure 2.c. Installation progress screen………………………………………….. 10
Figure 2.d. Installation completed screen………………………………………... 11
Figure 3.a. Select language to work with Clic-MD………………………............. 12
Figure 3.b. Clic-MD, startup screen……………………………………………….. 12
Figure 4. Clic-MD, main screen....................................................................... 13
Figure 4.1.a. Climatological Stations………………………………………………... 14
Figure 4.1.b. Enter a new climatological station…………………………………… 14
Figure 4.2.a. Data entry by years group……………………………………............. 16
Figure 4.2.b. Data entry by year……………………………………………………... 17
Figure 4.2.c. Select Excel data spreadsheet………………………………............. 18
Figure 4.3. Review of data to check don't overlapping …………………… 19
Figure 4.4. Edit data……………………………………………………………….. 20
Figure 4.5. Calculation menu…………………………………………..……..... 21
Figure 4.5.2. Agroclimatic indices calculation…………………………………….. 28
Figure 4.5.3.a. Climogram of rainfall and temperature………………………….. 29
Figure 4.5.3.b. Graph of monthly averages………….…………………………… 30
Figure 4.5.3.c. Monthly thermal amplitude ……………………………………….. 30
Figure 4.5.4. Length of growing period………………………………..………... 31
Figure 4.5.5.a. Graph of rainfall probability in a wet month ……………………. 34
Figure 4.5.5.b. Graph of rainfall probability in a dry month …………............. 35
Figure 4.5.6.a. Data set to analyze………………………………………………….. 39
Figure 4.5.6.b. Results with Mann Kendall test with annual data………………. 40
Figure 4.5.6.c. Results with Mann Kendall test with monthly data……………… 40
Figure 4.5.6.d. Z values in the Mann Kendall test………………………………. 41
Figure 4.5.6.e. Graph of the Mann Kendall test …………………………………… 42
Figure 4.5.6.f. Linear correlation of monthly climatic elements………………… 43
Figure 4.5.6.g. Linear correlation with annual data of agroclimatic indices and

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climatic elements………………………………………………………………. 44
Figure 4.5.7.a. Temperature anomalies and extreme events…………………….. 45
Figure 4.5.7.b. Normal distribution of two periods of maximum temperature (May)
…………………………………………………………………………………………… 45
Figure 4.5.8.a. Graph of increases and decreases relative to average; maximum
temperature of April in Progreso, Yucatán…………………………………. 48
Figure 4.5.8.b. Graph of increases and decreases relative to average; September
rainfall in Peto, Yucatán………………………………………………………. 48
Figure 4.5.9. Descriptive statistics table of climate elements by month…………. 48
Figure 4.5.10.a. Monthly averages of the elements of weather and annual
agroclimatic indices ……………………………………………………………. 49
Figure 4.5.10.b. Summary of the monthly climate change trends ……………. 50
Figure 5. Menu Options…………………………………………………............. 50
Figure 6. About Clic-MD…………………………………………………………... 51