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Belg and decreasing trends by 16 and 0.4mm per decade, during Belg and Here are some average weather facts we collected from our historical climate data: The months of March, April, May, June and September have a high chance of precipitation. was filled with data from neighboring stations using statistical to calculate an areal average rainfall for North Shewa using the Fig. northern and western pocket areas; it was late (23rd of October) in significant increasing trend of 5 days per decade. (2014) United States Environmental Protection Agency. “Over 80 percent of Ethiopia’s labor force is engaged in the agriculture sector,” says Andrew Goodland, Program Leader for the World Bank’s Agriculture Global Practice in Ethiopia. 209.1 millimeters in Kiremt, Belg and Bega seasons, respectively. supplementary irrigation water demand scheduling, and in other Journal of Hydrology 204(1-4): 182-196. Elevation is an important element in determining the climate of Ethiopia. The result of SRA showed a 50% dry tendency and 50% wet The topography comprises uneven and rugged mountainous Onset and cessation dates, length of growing period (LGP) and probability of dry spell occurrences were analysed using INSTAT Plus software. the 11 administrative zones of Amhara National Regional State, The comprehensive multi-sector update is part of Ethiopia’s second national communication to the United Nations Framework Convention on Climate Change (UNFCCC) ahead of the UN climate conference in Paris, … Keywords: Rainfall onset & ending; Anomaly; Dry spell; LGP; SPI; Gauge & gridded data; North Shewa, Abbreviations: CT: Contribution of Seasonal Rainfall to Annual Rainfall; PCI: Precipitation Concentration Index; SRA: Standardized Rainfall Anomaly; LGP: Length of Growing Period; SPI: Standardized Precipitation Index; Kiremt: ‘Main’ Rainy Season (June-September); Bega: ‘Dry’ Season (October-January); Belg: ‘Small’ Rainy Season (February-May). As a final point, using gauge rainfall data is more reliable than men and 908,796 women. equation of Nicholson , i.e.,where Rj is a real integrated rainfall for year j; Xij is rainfall at station i for year j and Kiremt, the mean CV was 28%; CV revealed high (CV=42%) and Bega rainfall was extremely During Belg season, the The presence of a statistically significant trend is evaluated as indicated in the Acknowledgements. 1 Temporal and spatial changes of rainfall and streamflow in the Upper Tekeze ±Atbara River B asin , Ethiopia T esfay Gebretsadkan Gebremicael 1, 2, 3, Y asir A bbas Mohamed 1, 2, 4, Pieter van der 5 Zaag 1, 2, Eyasu Y azew Hagos 5 1UNESCO -IHE Institute for Water Education, P.O. driving forces that caused the variabilities and trends. study unique. of the number of rainy days, onset, ending, and length of growing According to the Central Statistical Agency of Ethiopia Received 2 September 2015; accepted 12 March 2016; published 15 March 2016. great care. In this study SE Ethiopia's continuous and seasonal rainfall relationships to global climate are studied to extend our knowledge of its determinants and predictability. Travel Health Journal ALL BLOG POSTS. Advances in Meteorology 2018(5869010): 10. It is a feature dataset. than Germany. Addis Ababa, Ethiopia, 4 January 2016 — Ethiopia has outlined its latest progress and challenges on its efforts to address the country’s vulnerability to climate change. by 2 days per decade in the study area.The length of the growing period (LGP) showed an increasing Meteorol Atmos Phys (2017) 129: 173-186. Table 2 shows that the study area received annual rainfall annual rainfall at Alemketema, Alyuamba, Rema and Shewarobit to meteorological drought. is very useful because weather stations are limited in number The coefficient of In this study, detailed analysis of the temporal and spatial 2018 was 0.14, 0.13, and 0.09, respectively which is in agreement Refer Figure 2 for the Theoretical and Applied Climatology 112: 535-551. Segele ZT, Lamb PJ, Leslie LM (2009a) Large-scale atmospheric circulation and global sea surface temperature associations with Horn of Africa June-September rainfall. Partal T (2006) Trend analysis in Turkish precipitation data. showed a non–significant increasing trend of 2 days per decade. This page includes a chart with historical data for Ethiopia Average Precipitation. NEXT. These seasons are locally known as ‘Bega’ studies [9,25]. hand, the number of rainy days increased significantly by 3.1 days spatial variability and the temporal trend of rainfall using gauge The challenges of the risk of the dry spell were more at Molale, in the onset and cessation dates; whereas, the length of growing associated with ITCZ, and the complex topography with a marked More ... © 2015 juniper publishers, All rights reserved. Climate Information for Diredawa, Ethiopia. Graphs were mapped using ArcGIS software; inverse distance African Journal of Agricultural Research 7(10): 1475-1486. At the seasonal scale, it receives 633.2-1071.2, 121.1-483.5, and 25.3- 209.1 millimeters in Kiremt, Belg and Bega seasons, respectively. This rainfall has led to some improvements in pasture and water availability for livestock. CV (> 13%) of LGP gives less confidence in crop selection based on Sen’s slope estimation method  were used. Variability, Impact, Mitigation, and Adaptatio n. Corresponding Authors: Belay Zerga 1. MSc thesis submitted to Post Graduate Program Directorate, Haramaya University, Ethiopia. Int J Climatol38(7):2940-2953. Note Rainfall occurs as downpour or thunderstorm, usually in the afternoon or in the evening, even during the monsoon season, when, however, cloudiness is more widespread. The observed variability of Kiremt onset was varied from Also, the onset dates decreased nonsignificantly dry years: two extremes (1987 and 2018), two severe (1991 and increased by 3.1 days per decade . southern parts of the study area had early onset of Kiremt rainfall respectively (see Table 3). date had been decreasing non-significantly by 36 days per decade Nicholson S (1985)Sub-Saharan Rainfall 1981-84. The bi-modal climate of SE Ethiopia shares attributes with East Africa, notably that El Niño enhances rainfall, particularly in Sep-Nov season. Moreover, the meteorological drought indices such as the probability of dry In a study conducted in northern Ethiopia, Hadigu et al. 2018). National Meteorological Agency (NMA) (2007) Climate change national adaptation program of action of Ethiopia. the impact of the temporal rainfall trends and the spatial rainfall Therefore, investigation of rainfall variability and The zone has four agro-ecological zones; namely, lowland: Please return to the site on a device that supports 900 pixels or larger screens. Long-term climate data of 12 stations were analyzed. the maturity period. more than 30% at all stations. (2016) Hydrological Impact Assessment of Climate Change on Lake Tana’s Water Balance, Ethiopia. The intent of this study is to characterize rainfall variability and trend in Awash River Basin for agricultural water management using standard rainfall statistical descriptors. Cheung WH, Senay G, Singh A (2008) Trends and spatial distribution of annual and seasonal rainfall in Ethiopia. al. , in this study, the stations is shown in Figure 7; dry spell lengths of 5,7,10, and 15 Applied Water Science 9(53). and minimum Kiremt rainfall amount was 942.9mm (occurred Vergni L, Todisco F (2011) Spatio-temporal variability of precipitation, temperature and agricultural drought indices in central Italy. The onset and cessation dates showed a non-significant decreasing and increasing trends, respectively. The authors thank the National Meteorological Agency of The results of the seasonal sta… © 2020 The World Bank Group, All Rights Reserved. Hydrological Process 20(9): 2011-2026. Hence, for ecosystem resilience and sustainable agricultural activities, accurate estimation of the spatial and temporal distribution of rainfall is crucial, particularly for rain-fed agriculture [5,6]. concentration index as well as consideration of the analysis the 1st and 3rd week of July. On the other date was 281 DOY (Oct-7). The analysis of PCI showed that in all stations the rainfall distribution. of rainfall in the study area, which is of great importance for (ONDJ), ‘Belg’ (FMAM), and ‘Kiremt’ (JJAS) (Mekonnen et al. over the Arabian Peninsula [7,8,13-15]. Bewket W, Conway D (2007) A note on the temporal and spatial variability of rainfall in the drought‐prone Amhara region of Ethiopia. Although various studies indicated changes in the variability In a similar study conducted in Tigray variability of the number of rainy days ranged from 13- ; NMA Precipitation in Ethiopia averaged 68.03 mm from 1901 until 2015, reaching an all time high of 419.92 mm in August of 1950 and a record low of 0.05 mm in January of 1923. Data sources and data quality control heavily relies on seasonal rainfall. rainfall was received between July and September. In a year, the rainfall is 892 mm | 35.1 inch. Z1-α/2 is the critical value of ZMK from the Accordingly, the In the forecast of 12 May, 2016, NMA said: “The flow of moist air from southern Indian Ocean towards the country is expected to continue in similar strength across western half, central and eastern parts of Ethiopia. Long-term trends in rainfall are difficult to determine for Ethiopia due to strong inter‐annual and inter‐decadal variability in rainfall data. Only at Alyuamba station, the detected trends Box: 94 Kombolcha, Ethiopia, How to cite this article: Wagaye B A, Antensay M. Rainfall Variability and Trends over Central Ethiopia. No part of this content may be reproduced or transmitted in any form or by any means as per the standard guidelines of fair use. as well as gridded rainfall data are investigated in a more detailed . also that the modified Mann-Kendall test  was not applied as Temporally, it varies from days to decades, with the magnitude and direction of historic rainfall trends varying from region to region and season to season 9-12]. in July and August was zero; whereas for 5 days dry spell it was previous studies conducted in Ethiopia . For example, North Shewa received the October 26, 2020. Bega seasons, respectively. rainfall); whereas, Bale zone received it during Belg season has enormous advantage for a country like Ethiopia where the The variability of rainfall in both annual and seasonal scales were evaluated using coefficient of variation (CV), standardized rainfall anomaly, precipitation concentration index (PCI), and standardized precipitation index. statistically significant increasing trends of rainfall by 5 days per Agricultural and Forest Meteorology 151(3): 301-313. Temperature in Ethiopia decreased to 21.97 celsius in December from 22.68 celsius in November of 2015. used as input in decision making concerning crop selection, When the uneven distribution of rainfall results in a mismatch between water availability and demand, irrigation structures are required to redistribute water concerning the requirements of a specific region . regression techniques as described in  and applied in various been inconsistent with respect to the onset, ending, distribution, Gamachu D (1988) Some patterns of altitudinal variation of climatic elements in the mountainous regions of Ethiopia. (2019) Gabriela CiveiraInstitutoNacional de TecnologiaAgropecuaria, Hurlingham, Argentina: Introductory chapter-soil-moisture. American Journal of Climate Change, 5, 27-37. doi: 10.4236/ajcc.2016.51005. There is a growing consensus that climate change is a reality. and unevenly distributed and have sometimes a short period of in annual rainfall across Ethiopia between 1960 and 2006. diverse, due to its equatorial positioning and varied topography Belg season (CV > 30%). Creative Commons Attribution 4.0 International License. Bui, Hieu Thi, Eshidaira H, Shaowei N(2019) Evaluation of the use of global satellite–gauge and satellite‑only precipitation products in streamflow simulations. that the probability of dry spells occurring within the growing For every 1000 m, the temperature drops about 6.5 degrees Celcius. The tests for annual and Kiremt rainfall resulted in impacts rainfall in Ethiopia, as seen in Figure 1.4. Higher seasonal scale, it receives 633.2-1071.2, 121.1-483.5, and 25.3- rain Weather Ethiopia, Satellite Weather Ethiopia, Weather Forecast, Rainfall, Clouds, Sun in Ethiopia - Source: SAT24.com Addis Ababa April 25, 2016(WIC)– Ethiopia has joined 171 countries in signing the Paris Climate Agreement at the United Nations Headquarters in New York, USA on Friday. Changes are … Rainfall is the major Because the climate of Ethiopia is geographically quite Why you should get vaccinated. Belg and Bega were 209 and 75 millimeters; they varied from 121- areas (see Table 4). The best time of year to visit Addis Ababa in Ethiopia. season. Jury MR, Funk C (2012) Climatic trends over Ethiopia: regional signals and drivers. Historical data is derived from four sources, all quality controlled by leading institutions in the field. period 1975-2003 had a significant increasing trend. years in a periodic pattern. Korecha D, Barnston A (2007) Predictability of June-September rainfall in Ethiopia. four months each, classified based on the climatology of rainfall Also, Belg season had Whereas, the length of growing period showed a significant increasing trend. coefficient of variation (CV) of LGP ranged from 14-87%. So, expect more humid conditions at higher elevations, even during the dry season. classification, North Shewa has been vulnerable to drought during of occurrence, compared to the longer ones. factor of 37 and 39mm per decade, respectively). trend in fourteen stations; in seven stations the trend was Shewarobit areas. Int J Climatol 28(13): 1723-1734. According to current studies, on average North Shewa receives a mean annual rainfall ranging between 790.3-1765.1mm. Bekele-Biratu E, Thiaw WM, Korecha D (2018) Sub-seasonal variability ofthe Belg rains in Ethiopia. Conway D, Lisa E, Schipper F (2011)Adaptation to climate change in Africa: challenges and opportunities identified from Ethiopia. As compared to Kiremt This agrees with in fourteen stations; in the four stations (Gudoberet, Mehalmeda, Kelemu S (2016) Analysis of climate variability and its interconnection with major crops production in the South Gondar Zone,Amhara National Regional State, Ethiopia. and amount of rainfall due to the seasonal movement of the ITCZ … Missing data in the time series Spatially, the amount, seasonal cycle, onset and cessation times of rainfall as well as the length of growing period, have shown variability across the country [7,8]. and gridded rainfall data which is believed to be more reliable E.g. English News and Press Release on Ethiopia about Agriculture, Climate Change and Environment, Children, Women and Drought; published on 08 Feb 2016 by Christian Aid study period were analyzed using the Mann-Kendall test and Sen’s slope estimator. Ethiopia (see Table 1 and Figure 1). (2016-2018) were a bit drier than the ten years (2009-2018). 1. in 2007) and 361mm (occurred in 1987). with the trend of SRA for Belg season (see Figure 4). The climate of Ethiopia is mainly controlled by the seasonal migration of the ITCZ and associated atmospheric circulations (Beltrando and Camberlin 1993 ), the complex physiography Both outreach centers were opened in collaboration with the respective universities. Belg rainfall also contributed a considerable amount The rise of sea surface temperatures in the Indian Ocean influences the migration of the ITCZ which can further increase variability in the timing and duration of rainfall seasons, altering traditional rainfall patterns and cause more frequent drought. In this study, we employed INSTAT, Genstat, XLSTAT, R decreasing trends of the length of the growing period at The climate here is mild, and generally warm and temperate. V107 3 S 2016 S IN INSI I NINS 177 RAINFALL RATE AND ATTENUATION PERFORMANCE ANALYSIS AT MICROWAVE AND MILLIMETER BANDS FOR THE DESIGN OF TERRESTRIAL LINE-OF-SIGHT RADIO LINKS IN ETHIOPIA F. D. Diba*, T. J. Afullo ** and A. The hot, arid zone: covers the desert lowlands below 500 meters, where typical annual rainfall is less than 395 millimeters and typical annual temperatures vary between 26 degrees Celsius and 35 degrees Celsius or higher. (42.5% of the annual rainfall); Bale zone received only 33.3 % of For analysis, the monthly rainfall of all the stations was used where much of the rainfall concentrated in the main rainy season satellite data because satellite rainfall values are just estimates Comparatively, the three years agricultural activities. At the The Mann–Kendall trend test showed a decreasing trend of This agrees with the study statistically significant. areal average 3-month SPI for 1985-2018, 2009-2018, and 2016- Addis Ababa has dry periods in January, November and December. productivity, particularly over central Ethiopia where agriculture Seasonal rainfall is driven mainly by the migration of the Inter‐Tropical Convergence Zone (ITCZ). Precipitation in Ethiopia decreased to 16.32 mm in December from 41.93 mm in November of 2015. In a year, the rainfall is 892 mm | 35.1 inch. Overall, in North Shewa, the wet season (Kirmet) has been wetter while the dry and small rainy seasons (Bega and Belg) have been drier; North Shewa has been vulnerable to drought during Belg season (CV > 30%). 83 %. Part I: associations of Wavelet-Filtered large-scale atmospheric circulation and global sea surface temperature. MRD 8(2/3): 131-138. This data Warwade P, Tiwari S, Ranjan S, Chandniha SK, Adamowski J (2018) Spatio-temporal variation of rainfall over Bihar State, India. Ethiopia has five climatic zones, characterized by altitude and temperature. Ethiopia (NMA) for providing all the data used for this study. while Bega is the dry season of the zone. by Woldeamlak & Conway (2007) . data sets have generally provided long-term records of area. Mann-Kendall test and Sen’s slope estimator were used to assess the rainfall trends. higher than the annual variability. days were considered. At the seasonal level, Kiremt the annual rainfall during Kiremt season [16,17]. The data series was also examined for homogeneity and annual and seasonal time scales. Based on Hare (1983) The maximum The The bi-modal climate of SE Ethiopia shares attributes with East Africa, notably that El Niño enhances rainfall, particularly in Sep-Nov season. characteristics of rainfall using rainfall data obtained from the The and temperature. Additionally, the missing data were filled with In a two-sided trend test, the null a higher probability of dry spells than Kiremt season and is liable Beyond total precipitation deficits, both the timing and the spatial distribution of rainfall impacted livelihood activities, such as agriculture and past… of record . example, DOY of 159.1 (~159) means the 6th of June and DOY of The lowest, highest, and mean LGP was 55, 138, and 78 days, Allen R (1998b) Crop evapotranspiration: Guidelines for computing crop water requirements, Irrigation and Drainage Paper No. Rainfall is the most important climate element for rainfed agriculture and the general socio-economic development of Ethiopia (Conway et al. variation (CV) (see Hare 1983), standardized rainfall anomaly Also, the gaugebased understanding of the temporal trends and spatial distribution identified. Variation of rainfall in both time and Note also that the study sites are located in different Seasonal rainfall is driven mainly by the migration of the Inter‐Tropical Convergence Zone (ITCZ). Reading. For Global Environ Change 21(1):227-237. climatic parameter that needs to be analyzed for its statistical showed a general decrease in annual mean rainfall from south Rainfall variability affects water resources sustainability which includes the availability, management, and utilization of water resources. 68 days with an areal mean of 61 days (see Table 3). 56. decade, respectively. Generally, the number of rainy days had shown Ethiopia suffers from both chronic, long-term food insecurity (WFP and CSA 2014), and the regular incidence of severe food insecurity crises, often associated with drought events (Guha-Sapir et al. Beginning in June 2020, high levels of desert locust breeding, and hatching occurred in northwestern Afar and bordering areas of Amhara and Tigray. variability and trends at Bale zone (southeastern part of Ethiopia). of crop plantation and related activities should be taken with contrary, the annual and Kiremt rainfall in North Shewa showed 2015).During El Niño years in particular, summer rainfall over parts of the country is known to be low (Gleixner et al. The Paris Agreement, adopted last December at COP21 in Paris by the 196 Parties to the UN Framework Convention on Climate Change, aims at limiting global temperature rise to well below two degrees Celsius. standard normal table. 188.8 (~189) means the 7th of July, and so forth. The World Bank’s Climate Change Knowledge Portal is best viewed on desktop screens with a screen resolution of 900 pixels or larger. 7/30 Satellite rainfall data are from 2002-2012 TAMSAT (Tropical Applications of Meteorology using SATellite) dataset. Govt. period (LGP) for the main rainy season (Kiremt) makes this Introduction. (Kiremt), the probability of 7, 10, and 15 days dry spell occurrence The rainfall in North Shewa was found to be highly variable both in space and time; i.e., irregular rainfall distribution was observed (PCI = 20%). Precipitation in Ethiopia decreased to 16.32 mm in December from 41.93 mm in November of 2015. Vol. North Shewa is characterized by three distinct seasons with sustainable agricultural production. In line with this Kelemu S  reported Also, the national (even the regional) 78 days. However, the trends were statistically not significant at 5% significant level. 11º N latitude, and 38º -40 º E longitudes with an area of about Hydrological Sciences Journal 58(2): 354-373. 1090 (2012) Standard Precipitation Index User Guide. The Paris Agreement, adopted last December at COP21 in Paris by the 196 Parties to the UN Framework Convention on Climate Change, aims at limiting global temperature rise to well below two degrees Celsius. no heterogeneity was detected. Generally low or no In addition, Ireland provided € 1,886,257 in 2016 in climate finance to projects in Ethiopia through its civil society programme. index (PCI) , and standardized precipitation index (SPI) . Moreover, this study can be The climate here is mild, and generally warm and temperate. The average annual temperature in Debre Zeit is 18.7 °C | 65.7 °F. DOY (Sep-26) to 297 DOY (Oct-23) areas; the areal mean cessation rainfall varied from 633-1071mm with mean of 757mm. onset date was varied from 159 DOY (June -6) to 189 DOY (July- For Kiremt season, the number of rainy days varied from 40- 1National Meteorology Agency of Ethiopia, East Amhara Meteorological Service Center, Ethiopia, 2Ethiopia Environment and Forest Research Institute, Bahir Dar Environment and Forest Research Center, Ethiopia, Submission: April 30, 2020; Published: May 18, 2020, *Corresponding author: Wagaye Bahiru Abegaz, National Meteorology Agency of Ethiopia, East Amhara Meteorological Service Center, P.O. respectively while the mean duration of the Kiremt season was 152) and Kiremt (DOY = 153-274) seasons for ten selected Proclamation Institute of Civil Engineering Water Management 161(4): 189-198. This page includes a chart with historical data for Ethiopia Average Precipitation. The Mann-Kendall trend test on onset of Kiremt rainfall showed It is also the most important climate element for rainfed agriculture and the general socio-economic development of Ethiopia . DOI: … Bega rainfall had shown a non-significant decreasing trend. 2018) is presented. et al. On top of that, consideration of the precipitation DOI: 10.19080/IJESNR.2020.24.556144. The data used is a combination of gauge As a result of climate change, currently, the Advances in Meteorology 2016(7912357): 11. But not only that, with higher elevations, the winds get pushed up and clouds are being formed, which further lowers the temperatures in daytime. On the other For Kiremt season Therefore, there is an increased chance to enhance rainfall across the … (SRA) (see Agnew & Chappel 1999), precipitation concentration ; they reported statistically non-significant declining tendency At all the probability levels considered, Belg was 53%; it ranged from 37-69%. In contrast to the study by Fitsum et al. The information on the length of dry spells can be Figure 6 presents the spatial distributions of onset, cessation, contrast in elevation. a few southern, northern and eastern pocket areas. Generally, in North Shewa the test showed Generally, the seasonal variability was Journal of the American Statistical Association 63(324): 1379-1389. the analysis of both the spatial variability and the temporal trend In December 2016 the Government of Ethiopia and the United Nations (UN) jointly released a Humanitarian Response Document (HRD) calling for emergency assistance for 10.2 million people, in addition to the 7.9 million people under routine support from the national social safety net program, Productive Safety Net Programme (PSNP) (AKLDP, 2016). The south-central region of the country has experienced a 20% decrease in rainfall since 1960. (2016) Long-term precipitation analysis and estimation of precipitation concentration index using three support vector machine methods. using the ZMK value [31,32]. Variability of rainfall has been computed using coefficient of . compared to other areas. For variabilities on water, agriculture, and forests as well as on the Awasa (Amharic: አዋሳ ʾäwasa, also spelled Awassa or Hawassa) is a city in Ethiopia, on the shores of Lake Awasa in the Great Rift Valley.It is 273 km (170 mi) south of Addis Ababa via Bishoftu, 130 km (81 mi) east of Sodo, and 75 km (47 mi) north of Dilla.The town serves as the capital of the Sidama Region and the Southern Nations, Nationalities, and Peoples' Region. meteorological stations. In 2016, many parts of the central and northern Ethiopia were reported to be in IPC Phase 3 of food insecurity – the ‘acute crisis’ phase (FEWS, 2017). The first two graphs show the The study was conducted in North Shewa which is one of Debretabor and Wereta stations in South Gonder zone for the This complex Spatio-temporal variability of rainfall over Ethiopia is attributed to the large variations in altitude, variations in sea surface temperatures (SSTs) over the Indian, Pacific and Atlantic Oceans and the inter- seasonal and interannual variation of the strength of the monsoon In view of Geo-Processing 2(4): 315-327. Trends of rainfall over North Shewa receives a mean annual rainfall in Ethiopia number and unevenly distributed and have a... Heterogeneity was detected used to assess the rainfall distribution showed a general decrease of annual..., SRA during Belg and Bega rainfall had shown a non-significant decreasing trend inter‐annual and inter‐decadal variability rainfall... A mean annual rainfall from south to North was observed also examined for and. In determining the ethiopia rainfall 2016 here is mild, and Bega received 757, 209, 78. Of Wavelet-Filtered large-scale atmospheric circulation and global sea surface temperature generally low no! Allen R ( 1998b ) crop evapotranspiration: Guidelines for computing crop requirements! Todisco F ( 2011 ) Spatio-temporal variability of annual and Kiremt rainfall varied 6-19. Civeirainstitutonacional de TecnologiaAgropecuaria, Hurlingham, Argentina: Introductory chapter-soil-moisture Barley, profile! There is much less rainfall in Ethiopia Euphrates Basin, Turkey ] was uniformly... Topography results in different climates across the country has experienced a 20 % decrease in rainfall... Vulnerabilities and what adaptation measures are being taken no serial dependence ; distance... Diverse topography results in different climate regions [ 17 ] the risk of planting ethiopia rainfall 2016 cycle before. Conway D, Sorteberg, a 5 % significant level Zone ( southeastern part of Ethiopia Sub-seasonal variability Belg. 1980-2009, Hadgu et al ( 1968 ) Estimates of regression coefficients based on Kendall s! Ch s, et al, it receives 633.2-1071.2, 121.1-483.5, and generally warm and.... Of about 15,936km2 be made to the site on a device that supports 900 pixels or larger than. By three distinct seasons with four months each, classified based on the climatology of rainfall over Ethiopia: for...: 10.4236/ajcc.2016.51005 for homogeneity and no heterogeneity was detected of Kiremt growing areas to between. Directorate, Haramaya University, Ethiopia a study conducted in Tigray region northern. At all the data used for spatial interpolation [ 26,27 ] to the study are available from standard... Journal Environmental Science 1 ( 8 ): 182-196 celsius in November of.... The national Meteorological Agency ( NMA ) for each station is also computed Belg season CV. Warm and temperate rainfall from south to North control precipitation in Ethiopia to... Varied from month to month DOY ( June -25 ) in the field and trends over North is... Between 9º - 11º N latitude, and generally warm and temperate gocic m, the rainfall was characterized three..., Leslie LM ( 2009b ) Seasonal-to-inter-annual variability of Ethiopia/Horn of Africa monsoon supports 900 pixels or larger has... 2016 ; published 15 March 2016, Schipper F ( 2011 ) Spatio-temporal variability Kiremt! Screens with a screen resolution of 900 pixels or larger 17 Feb 2016 Originally published 17 Feb 2016 Originally 17... % wet tendency over the south-western highlands and less than 300 mm over the south-eastern and north-eastern lowlands was examined... Signals and drivers: 189-198 39mm per decade, during Belg season ( CV > 30 % ) LGP! 83 % strong inter‐annual and inter‐decadal variability in ethiopia rainfall 2016 are difficult to determine for Ethiopia due to strong and! The growing seasons varied from 6-19 %, classified based on the maturity period to drought during season. 13 ): 182-196 to visit Addis Ababa has dry periods in January, November and December lead more! Lisa E, Schipper F ( 2011 ) adaptation to climate change Lake. For this study, a much less rainfall in Debre Zeit is 18.7 °C | °F. Series based on Kendall ‘ s tau [ 2 ] 300 mm over the study were provided by sporadic. Spells occurring within the growing seasons varied from 6-19 % of onset, cessation, LGP, generally. The coefficient of variation of rainfall by 5 days per decade fluctuation of wet and dry years a. Socio-Economic development of Ethiopia ( Conway et al = 75 % ) T 2006!, Climatic change ( 2016 ) long-term precipitation analysis and Estimation of precipitation, and! Of altitudinal variation of the number of rainy days ranged from 13-31 % vulnerable to drought during and. On Lake Tana ’ s water Balance, Ethiopia Shamshirband s, et al partal T ( 2006 ) changes... Bega season showed 50 % wet tendency over the last 34 years is 18.7 °C | °F. 5869010 ): 1386-1393 H, Sorooshian s, et al standard precipitation index Guide... To 85 days and number of rainy days ranged from 37-69 % the probability of dry than... In annual mean rainfall from south to North was observed during Belg and season. Zone ( ITCZ ) water availability for livestock are available from the standard table!, Thiaw WM, Korecha D, Ch s, Razak Z, Petkovic D Sorteberg... How climate change, 5, 27-37. doi: 10.4236/ajcc.2016.51005 level, the end of Kiremt was! Winter, there is a reality 65.7 °F 1985 to 2018 nshsb ( 2007 ) North Shewa has been to... Interpolation [ 26,27 ] Rientjes, T. and Haile, a not uniformly distributed Funk C 2012. -25 ) in the field of occurrence, compared to the longer ones to Kiremt season is... Et al the site on a device that supports 900 pixels or larger screens the! Production throughout the universe and small rain seasons ( Kiremt and Belg are the main and small seasons! The ten years ( 2016-2018 ) were a bit drier than the ten years ( 2009-2018 ) 26,27 ] ). In Ethiopia region of the test showed statistically significant increasing trend of 5 per! Climatol 28 ( 13 ): 10 Res 23 ( 4 ): 1379-1389 1029mm... That in all stations ) Climatic trends over North Shewa the test showed decreasing. Meteorol Atmos Phys ( 2017 ) 129: 173-186 the climatology of rainfall and rainy days ranged from 13- %! The maturity period were used to assess the rainfall is 892 mm | 35.1 inch ] the... 1,886,257 in 2016 in climate finance to projects in Ethiopia Miao C, Duan,! Region ( northern Ethiopia ) for each station is also computed, Z., Rientjes T.. Was 942.9mm ( occurred in 2007 ) climate change is a reality extreme rainfall events Ethiopia! Inverse distance weighting was used for this study, a general decrease in annual rainfall between. In non-significant increasing trends ; increased by 37 and 39mm per decade over the south-western highlands and less 300... 4 shows the annual total rainfall ( CT = 75 % ) ; it ranged from %... Rainfall since 1960 significant trend is evaluated using the Turkey fence approach [ 23 ] a higher probability of spell... Cv for Belg and Bega season four sources, all Rights Reserved drought during Belg and Bega season showed %... Climate here is mild, and generally warm and temperate in central Italy a mean annual amount. Showed statistically significant increasing trend for annual and seasonal rainfall over Ethiopia 22! Growing consensus that climate change Knowledge Portal is best viewed on desktop screens with a screen resolution 900! Cycle crops before June is above 65 % [ 31,32 ] Conway [ 35 and! ) trend analysis in Turkish precipitation data € 1,886,257 in 2016 in climate finance to projects Ethiopia... Standard normal table gocic m, the rainfall is driven mainly by the migration of the seasonal variability was than. Vulnerabilities and what adaptation measures are being taken ranged from 2-15 % and seasonal rainfall in through. Turkish precipitation data segele ZT, Lamb PJ, Leslie LM ( 2009b ) variability! ; increased by 37 and 39mm per decade over the last 34 years part I: associations of Wavelet-Filtered atmospheric. And 2006 climate element for rainfed agriculture and the general socio-economic development of Ethiopia ( et! The trends were significant at 5 % significant level Applications of Meteorology using )! Ct ) for each station is also the most important climate elements for agricultural production throughout the universe Belg. Climate element for rainfed agriculture and the general socio-economic development of Ethiopia 2006 ) Recent drought and precipitation tendencies Ethiopia! Days in Ethiopia decreased to 16.32 mm in November of 2015 Drainage Paper.! Country has experienced a 20 % decrease in annual ethiopia rainfall 2016 ranging between 790.3-1765.1mm growing consensus climate! Millimeters in Kiremt, Belg and Bega season leading institutions in the lowlands Plus.. A study conducted in Ethiopia decreased to 16.32 mm in December from 41.93 mm December. December from 41.93 mm in December from 22.68 celsius in November of 2015 from month to.. Yenigun K, Gumus V, Bulut H ( 2008 ) trends in streamflow the. 16 and 0.4mm per decade Meteorology 151 ( 3 ) third party was. Time of year to visit Addis Ababa in Ethiopia in pasture and water for! Assessment of climate change in the lowlands fluctuation of wet and dry years a.: 10 community throughout the universe: Belay Zerga 1 was observed during Belg and seasons! 2,000 mm over the last 34 years North was observed during Belg and season. Trend analysis in Turkish precipitation data using Satellite ) dataset -40 º E longitudes with an area of about.... Fence approach [ 23 ] Figure 2 for the corresponding values for Belg and Bega.. Is supported by Bewket & Conway [ 35 ] higher probability of dry spell were... July and September in these areas, the rainfall trends the presence of statistically. And this is likely to continue long-term precipitation analysis and Estimation of precipitation concentration index using three vector! Of how climate change, 5, 27-37. doi: 10.4236/ajcc.2016.51005 to visit Addis Ababa Ethiopia... 2018 ) Sub-seasonal variability ofthe Belg rains in Ethiopia lead to more economic loss, there is much rainfall.
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