Characterisation of dry spells for agricultural applications in Malawi

نویسندگان

چکیده

Abstract Dry spells are one of the climate change hazards that continue to exert pressure on agriculture sector, hence affecting food security. Understanding dry spell characteristics an area helps in coming up with interventions and adaptive measures among other advantages. This study aimed at understanding for Malawi by using group infrared precipitation stations data from 1981 2019. The focused spatial distribution, maximum number days, trend days time occurrence spells. Data was analysed Mann–Kendal analysis R software. results indicate a high occurrences southern region than two regions Malawi. In addition, experienced highest days. However, there is upward central all regions. Local scale topographic influences were also apparent. further established rainfall season starts increase towards end March. this regard, although considered be November April, recommends growing should March so crops not affected which common. Farmers ensure they plant will mature period.

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Temporal-Spatial Variability of the Severest Dry Spells in the North-West of Iran

The variability of temperature and precipitation is regarded as one of the main characteristics of the climate.Precipitation and its results, especially results such as droughts, vary on different temporal and spatial scales. Thepurpose of this paper is to determine the frequency of the inter-annual variability of the driest month in north-westIran. In order to obtain the best results, we used ...

متن کامل

A synoptic study on seasonal patterns of wet and dry spells in midwest of Iran

The effective patterns and mechanisms of synoptic systems during the wet and dry spells in Midwest of Iran(MWI) analyzed and discussed on seasonal scales from 1974 to 2003. Synoptic Analysis is based on synoptic chartson Sea Level Pressure (SLP), 850 and 500 Hpa levels. The results of synoptic analysis show that dry spells in MWIare mostly corresponded to Azores High (AZH) intensifying and its ...

متن کامل

GIS-based analysis of spatial distribution patterns of growing degree-days for agricultural applications in Iran

The geographical distribution of growing degree-days (GDDs) within Iran was studied using GIS-based maps. GDDs were calculated using daily thermal parameters (daily maximum and minimum air temperature). Based on the purpose of the study and climatic conditions of Iran, the average value of 5?C was chosen for GDD calculation. The calculations were carried out using daily weather data of 113 mete...

متن کامل

study of cohesive devices in the textbook of english for the students of apsychology by rastegarpour

this study investigates the cohesive devices used in the textbook of english for the students of psychology. the research questions and hypotheses in the present study are based on what frequency and distribution of grammatical and lexical cohesive devices are. then, to answer the questions all grammatical and lexical cohesive devices in reading comprehension passages from 6 units of 21units th...

The Malawi Agricultural Input Subsidy Programme: Lessons

Background and Context Maize, the main staple crop remains the dominant crop among smallholder farmers in Malawi. Smallholder farmers devote almost 70 percent of their land to maize cultivation, and maize availability in the country de nes the food security situation of the country. Smallholder agriculture in Malawi has been characterized by low productivity, low technology and labour intensive...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: SN applied sciences

سال: 2023

ISSN: ['2523-3971', '2523-3963']

DOI: https://doi.org/10.1007/s42452-023-05413-9