Finding Potential Sites for Small-Scale Hydro Power in Uganda: a ...

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2.2 Kisoro and KabaleBecause of their favorable environment regarding important factors for small-scalehydropower, such as climate and topography, the two districts Kisoro and Kabale wasthe choice of study area in Uganda. Another constraining factor for the selection of studyarea was the prevailing disturbances, caused by the rebels, Lords Resistance Army (LRA),in the northern parts of the country. Kisoro and Kabale districts are two, for Uganda,typical rural areas situated in the southwest of Uganda. In these districts, where Kisoroand Kabale towns are the administrative headquarters, the population is 220,312 and458,318 respectively. The region has a population density of over 400 inhabitants perkm 2 , which is one of the most densely populated regions in the world (www.ubos.org).The study area covers a mountainous region structured through numerous chains of hillsand ridges, which lies approximately 2000 m above sea level (see Figure 2.4). The highestpoint of the mountain is in the volcanic ranges bordering Rwanda in the southern part ofthe District and includes Mgahinga (3475 m), Muhavura (4127 m) and Sabyino (3645 m).These volcanic ranges are interspersed by wide saddles with valleys occupied by extensiveswamps. The volcanic mountains are part of six dormant and two active volcanoes ofVirunga range extending into Rwanda and the Democratic Republic of Congo (NEMA,1998).The rocky system underlying most part of the study area was influenced by the volcanicactions formed by the upsurge of the Western Rift Valley during the Pleistocene age. It ismuch eroded and altered and consists of metamorphic largely granitoid rocks, schist andfoliated granites, granochiorate and adamellite. The high relief in the southwestern partsof the study area has the characteristics of highly weathered and exposed granite rocks.The study area is underlain by three main rock systems, namely the Precambrian,Cenozoic and Mesozoic groups. The volcanic activity was characterized by theoutpouring of a great variety of potash rich in alkaline lava (NEMA, 1998).10
Figure 2.4 The highest volcano in Kisoro district, Muhavura and it’s surroundingridges and valleys. Photo: Bergström 2004.Kisoro District like Kabale District experiences two rain seasons a year with heavy rainsfrom March to May/June and from August to November. December to February andJune to August are dry seasons. The mean annual rainfalls in the Districts are 1000-1250mm (see Figure 2.5). The study area has a relatively low temperature where mean annualmaximum temperature is 23°-25°C in the dry spell and mean annual minimum record of10°-12.5°C (NEMA, 1998).20025175Precipitation (mm)150125100755025PrecipitationTemperature2015105Temperature (°C)00JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECFigure 2.5 Kabale’s monthly mean precipitation (mm) 1918-1974 and monthlymean of the daily 24-hour temperature (°C) 1952-1971 Source: cdiac.esd.ornl.gov.11
Page 1: Seminar series nr 121Finding Potent
Page 5: AbstractOver 2 billion people, most
Page 9: AcknowledgmentsFirst of all, we wou
Page 12 and 13: 5 Result ..........................
Page 14 and 15: For the specific case of Uganda, a
Page 17 and 18: 2 Study AreaThe main reason for us
Page 19 and 20: In the 1960’s Uganda was one of t
Page 21: 2.1.3 TopographyMost of Uganda is s
Page 26 and 27: e able to manually write the data,
Page 28 and 29: Depending on the appearance of the
Page 30 and 31: o Then the water flows from the for
Page 32 and 33: and generator is 65% and 80% effici
Page 34 and 35: Table 3.2 Capacity and production o
Page 36 and 37: Table 3.5 Small-scale hydropower ca
Page 38 and 39: technology was supplied to an area
Page 40 and 41: component to all of these issues, g
Page 42 and 43: The Rural Electrification project t
Page 44 and 45: The closer the interviewer is to th
Page 46 and 47: Over this area we bought the follow
Page 48 and 49: The primary erosive force determini
Page 50 and 51: There are a set of tolerances used
Page 52 and 53: ivers are seasonal, since the hydro
Page 54 and 55: (a) (b) (c)Figure 4.8 An example sh
Page 56 and 57: 4.2.6 Post Processing of Output Dat
Page 58 and 59: A = ( b ⋅ h)2(4.3)Where A equals
Page 60 and 61: elinquish because of too expensive
Page 62 and 63: The first step when performing the
Page 64 and 65: more obvious in their geographic co
Page 66 and 67: By using a smaller area it is possi
Page 68 and 69: 5.3 Summary of Resultso The general
Page 70 and 71: projects are supposed to be finance
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Sinks are a reoccurring problem whe
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UTM Zone 36N projection. The study
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As described in chapter 3.3.3 all r
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and if good financing possibilities
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Hutchinson M. F., Dowling T. I., 19
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9 Appendix9.1 Interview: Rural Elec
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9.3 Digital DataAll data layers are
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Frame creationThis is made in order
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time2=clock;%starts timer on clock
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next(1,2)=(y-1);cell_height=(highes
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endendif height>=20;%if the accumul
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Site 16 (147486,78619)Site 20 (1560
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