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Moist Potential Vorticity Vector for Diagnosis of Heavy Rainfall Events in Tanzania

Luhunga, Modest Luhunga; Mutayoba, Edmund (Scientific Research Publishing, 206-09-29)

In this paper, we modify the convective vorticity vector ( CVV ) defined as a cross product of absolute vorticity and gradient of equivalent potential temperature to moist potential vorticity vector (MPVV) defined as a ...

A survey of the effects of improving major environmental factors to agriculture in east Africa

Rugumamu, W (University of Dar es Salaam, 1984)

This review was prompted by the recent decline in productivity in most of our economic sectors. The paper attempts to review somewhat selectively, research work related to the development of agriculture in East Africa ...

An analysis of maximum one hour rainfall intensity

Temu, H. Y. (Directorate of Meteorology, 1988)

Mon1hly and annual maximum one hour rainfall for 1hirty seven stations in East Africa for the last ten years is plotted and analysed. 'Using Chow's version of the Gumbel method and probability paper developed by Powel ...

Some environmental causes of food insecurity in semi-arid Tanzania

Rugumamu, W. (The Geographical Association of Tanzania, University of Dar es Salaam, 1992)

The potential for the production of crops and livestock in the semi-arid areas of Tanzania ranges from medium for the former to high for the latter under conservation farming. It is contended that contemporary land husbandry ...

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Unknown author (SADC, 1994-12)

The impact of rural energy use on the environment during the economic reforms period (1981-1992): Some evidence from Tanzania

Kulindwa, K.; Shechambo, F. (Faculty of Arts and Social Sciences of the University of Dar es Salaam, 1995)

The article briefly presents the energy situation in Tanzania, discusses the relationship between structural adjustment programmes and emerge use problems. It looks at the objectives of these SAP programmes to see the ...

Process and prospects for sustainable development with environmental consideration

Nyanda, E (Institute of rural development planning, 1997-07)

Our natural heritage in the form of environmental resources such as forests, quality of soil and ground water, fish in the ocean and lakes, and the wildlife we see today in Tanzania, have been transferred to us because our ...

Review of rainwater harvesting techniques and evidence for their use in semi-arid Tanzania

Gowing, J.W.; Mahoo, O.B.; Hatibu, N. (Sokoine University of Agriculture, 1999)

Rainwater harvesting (RWH) should be regarded as a continuum of techniques that link in-situ soil-water conservation at one extreme to conventional irrigation at the other. In-situ RWH, comprises a group of techniques ...

The use of computer simulation to assess the suitability of RWH technology interventions in semi-arid Tanzania

Gowing, J. W.; Young, M. D. B.; Rwehumbiza, F. B. R. (Sokoine University of Agriculture, 1999)

Experimental research into soil-water management, whether on a research station or on farmers' fields, is necessarily restricted to specific sites over limited time intervals. Meaningful extrapolation is a problem. With ...

Land characteristics, run-off and potential for rainwater haversting in semi- arid areas of Tanzania

Rwehumbiza, F.B.R; Hatibu, N; Machibya, M. (Sokoine University of Agriculture, 1999)

Effective utilization of rainfall in semi-arid areas is very much dependent on land characteristics, land use, and management practices. Important land characteristics include soil type, soil hydraulic properties down ...

Rainfall varibility and its implications for the transferability of experimental results in the semi arid areas of Tanzania

Mahoo, H. F.; Young, M.D.B; Mzirai, O.B. (Sokoine University of Agriculture, 1999)

Most of agricultural activities in semi-arid areas of Tanzania depend on direct rainfall. Conse- quently, any significant variation in the temporal and spatial distribution of rainfall usually results in serious shortage ...

Application of the NCAR regional climate model to eastern Africa2. Simulation of interannual variability of short rains

Sun, Liqiang; Semazzi, Fredrick HM; Giorgi, Filippo; Ogallo, Laban (JOURNAL OF GEOPHYSICAL RESEARCH, 1999-03-27)

We have applied the NCAR RegCM2 to the simulation of the inter-annual variability of precipitation over eastern Africa for the short-rains season by performing a set of experiments for the years 1982 to 1993. The model ...

A forest resources co-management strategy for Tanzania: A study of west Usambara high canopy forests

Rugumamu, William (University of Dar es Salaam, 2001)

History reveals that for rural communities in the tropics, forestlands management has been, and still is, part and parcel of rural livelihoods-caring for trees for present and future generations. Forest tenurial systems ...

Land use by people living around protected areas: the case of lake Manyara national park

Sechambo, F. (University of Dar es Salaam, 2001)

The paper discusses socio-economic trends of human activities around Lake Manyara, a declared world heritage site. It reveals the resulting conflicts in land use between crop cultivation, pastoralism, and conservation, all ...

A Livelihood perspective on natural resource management and environmental change in semiarid Tanzania

Birch-Thomsen, T.; Frederiksen, P.; Sano, H. O. (Economic Geography, 2001-01)

The aim of this paper is to explore how social relations influence land use and natural resource management at the local level. Through empirical analysis that tracks changes in land use and environment over 40 years, ...

Soil degradation, global warming and climate impacts

Feddema, Johannes; Freire, Sergio (nter-Research, 2001-08-15)

ABSTRACT A water balance model is used to assess the relative impacts of global warming and soil degradation scenarios on water resources in the future. Results indicate that overall global warming will have a more ...

Impact of Climate Change on Life in Africa

Desanker, Paul V. (World Wide Fund for Nature (WWF), 2002)

Responses of Invertebrates to Human-Caused Disturbances in East African Tropical Rainforests

Zilihona, Innocent (Edita Prima Ltd.-Helsinki 2003, 2003)

East African rain forest biotope is one of the most diverse habitat types on the planet (Lovett and Wasser 1993, Struhsaker 1997, Burgess et al. 1998, Mittermier et al. 1998, Myers et al. 2000, Newmark 2002). The Eastern ...

Adaptation to climate change in forest management

Spittlehouse, D.; Stewart, R. B. (FORREX-Forest Research Extension Partnership, 2003)

Adaptation in forestry is sustainable forest management that includes a climate change focus. Climate change over the next 100 years is expected to have significant impacts on forest ecosystems. The forestry community needs ...

Development and climate change in Tanzania: focus on Mount Kilimanjaro

Agrawala, Shardul; Moehner, Annett; Hemp, Andreas; Aalst, Maarten van; Hitz, Sam; Smith, Joel; Meena, Hubert; Mwakifwamba, Stephen M; Hyera, Tharsis; Mwaipopo, Obeth U (Organisation for Economic Co-operation and Development, 2003)

This report presents the integrated case study for Tanzania carried out under an OECD project on Development and Climate Change. The report is structured around a three-tiered framework. First, recent climate trends and ...

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