نتایج جستجو برای: while precipitation has no trend therefore

تعداد نتایج: 5792349  

2014
L. J. Wilcox

Figure S2 shows spatial linear trend patterns for MJJAS precipitation for observations 14 (GPCC) and the multi-model mean for each individual forcing. The spatial pattern of ALL 15 and ANT are more consistent with the AA than the GHG multi-model mean. GHG multi16 model mean shows increasing precipitation over most of the NHSM region, while the AA 17 multi-model means shows mostly drying trends....

2008
Liming Zhou Cheng-Zhi Zou Yuhong Tian Haishan Chen

This paper analyzes the spatial dependence of annual diurnal temperature range (DTR) trends from 1950– 2004 on the annual climatology of three variables: precipitation, cloud cover, and leaf area index (LAI), by classifying the global land into various climatic regions based on the climatological annual precipitation. The regional average trends for annual minimum temperature (Tmin) and DTR exh...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان 1390

in iran we already use laminate tubes only in cosmetics industry. laminate tube manufacturers via using the most modern technology of the world, faced with the laminate tube market being saturated in cosmetics industry for packaging the cosmetic creams and toothpaste. but considering the great food market and therefore laminate tube features such as beautiful packaging, ease of use for the fina...

2006
Francesca Pellicciotti Paolo Burlando Karin van Vliet

In this paper, trends in streamflow and precipitation at the annual, seasonal and monthly timescales for different periods of records are analysed for the Aconcagua River Basin in central Chile. In this mountainous basin in the dry Andes water resources originate mainly from glaciers and seasonal snowcovers. The Mann-Kendall nonparametric test is used, and statistically significant trends are i...

2012
J. L. Catto C. Jakob N. Nicholls

[1] Precipitation over the north of Australia mainly falls during the wet season and is associated with the Australian monsoon. Recent studies have shown that precipitation in the north and northwest of Australia during the wet season has increased over the past 50 years. In previous work, daily radiosonde data at a single site (Darwin) were used to identify five distinct wet season regimes, ea...

2008
Dong Liu Qiang Fu Yongsheng Ma Aihua Sun

The rapid increase of paddy field acreage has led to widely descending of groundwater table in well irrigation paddy area of low-land in Sanjiang Plain recent years. More and more “hanging pump” and partial over pumping phenomenon have been occurring in well irrigation paddy area of low-land. Therefore, the groundwater resources in Sanjiang Plain need to be recharged urgently. For solving the m...

The frequency of precipitation extreme event can cause flood or change the drought period. Accurate understanding of these changes is necessary to take action to reduce these effects. In this research, temporal and spatial changes of 14 precipitation indices for eight synoptic stations in the North and West of the country were investigated. For this purpose, after reconstructing the daily preci...

2014
MARTINA ZELEŇÁKOVÁ

This paper deals with the research of monthly precipitation trends in climatic stations in Libya and Slovakia. The non-parametric Mann-Kendall statistic test was applied to detect trends and to assess the significance of the trends in the time series. The evaluation was done for the time period from November to October. Trend analysis of rainfall data series for 1970–2010 did not show any clear...

ژورنال: علوم آب و خاک 2016
خوش روش, مجتبی , عابدی کوپایی, جهانگیر , نیکزاد طهرانی, اسماعیل ,

During the past few decades, the southern part of the Caspian Sea has more frequently experienced extreme climatic events such as drought and flood. Trend analysis of hydro-climatic variables was conducted using non-parametric Mann-Kendall test and regression test for Neka basin in the north of Iran.       Trends of precipitation and stream flow characteristics including maximum flow, mean flow...

Hydrologic regime is highly dependent on climate change, as hydrologic cycle components are directly influenced by climatic conditions. This paper analyzes the impacts of climate change on the hydrologic regime of the Atrak River basin in the northeast of Iran. It drains to the Caspian Sea. The data collected at 11 hydrometeorological stations were examined to detect trends in hydroclimatologic...

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