Journal of Duhok University http://portal.uod.ac/journal/index.php/uodjournal <h5 class="header col s12 light">UoD Journal is a bi-annual academic journal consists of three Sections : Humanities and Pure, &nbsp;Engineering Sciences and Agriculture and Veterinary&nbsp; Science. Each Volume&nbsp; within section&nbsp; is written in Kurdish, Arabic and English.&nbsp;</h5> University of Duhok en-US Journal of Duhok University 1812-7568 <p>It is the policy of the Journal of Duhok University to own the copyright of the technical contributions. It publishes and facilitates the appropriate re-<span id="spans0e0" class="sac" style="cursor: pointer; color: #0970ac; font-family: Montserrat, Arial, 'sans serif'; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;">utilize</span>&nbsp;of the published materials by others. Photocopying is permitted with credit and&nbsp;<span id="spans0e1" class="sac" style="cursor: pointer; color: #0970ac; font-family: Montserrat, Arial, 'sans serif'; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;">referring</span>&nbsp;to the source for individuals use.</p> <p>Copyright © 2017. All Rights Reserved.&nbsp;</p> TREND ANALYSIS IN RELATIVE HUMIDITY OF DUHOK PROVINCE OF IRAQ http://portal.uod.ac/journal/index.php/uodjournal/article/view/514 <p><strong>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Studding the trend analysis in climatic variables and evaluating their statistical significance in recent times are the great evidence of climate change availability. In this study, Parametric linear regression and nonparametric Mann-Kendall test were employed for detecting the seasonal and annual trends in Relative Humidity (RH) time series at seven stations in Duhok province in Kurdistan region of Iraq. The annual RH results indicate a decreasing trend at all stations except Duhok station, whereas the significance trend was observed at Mangesh station by (-0.144 %/year). The seasonal analysis shows a significant decreasing trend in RH at Akre and Amedy stations during summer season, the trends was negative at most of stations. The parametric and nonparametric results were identical at most stations especially at Duhok station, which is the annual value increased by (0.07%/year).</strong></p> DIYAR AHMAD BLEEJ Copyright (c) 2020 Journal of Duhok University 2020-03-08 2020-03-08 23 1 1 10