Goma | |
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Goma City & Lakeside Lake Kivu, Congo DRC | |
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Coordinates: 1°41′S 29°14′E / 1.683°S 29.233°E | |
Country | Democratic Republic of the Congo |
Province | Nord-Kivu |
Government | |
• Mayor | Polydor Windi Kwawmrwha |
Area | |
• Total | 75.72 km2 (29.24 sq mi) |
Population (2010) | |
• Total | 377,112 |
• Density | 5,000/km2 (13,000/sq mi) |
Time zone | DRC2 (UTC+2) |
National language | Swahili |
Goma is a city in the eastern Democratic Republic of the Congo. It is located on the northern shore of Lake Kivu, next to the Rwandan city of Gisenyi. The lake and the two cities are in the Albertine Rift, the western branch of the East African Rift system. Goma lies only 13 to 18 km due south of the crater of the active Nyiragongo Volcano. The recent history of Goma has been dominated by the volcano and the Rwandan Genocide of 1994, which in turn fuelled the First and Second Congo Wars. The aftermath of these events was still having effects on the city and its surroundings in 2010.
Goma is capital of North Kivu province, ethnically and geographically similar to South Kivu (capital Bukavu); the two provinces are known as "the Kivus".
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The Rwandan Genocide of 1994 was perpetrated by the Hutu-dominated provisional Rwandan government on the Tutsi population and Hutu moderates. In response the Rwandan Patriotic Front (RPF), formed by Tutsi refugees in Uganda, which already controlled large areas of northern Rwanda following its 1990 invasion and the ongoing Civil War, overthrew the Hutu government in Kigali and forced it to relocate to the border town of Gisenyi. As the RPF captured ground, thousands of Hutu refugees fled before it, many ending up in Gisenyi. Then, from July 13 to July 14, 1994, 10,000–12,000 refugees per hour crossed the border into Goma as the Great Lakes refugee crisis took shape. The massive influx created a severe humanitarian crisis, as there was an acute lack of shelter, food and water. Shortly after the arrival of nearly one million refugees, a deadly cholera outbreak claimed thousands of lives in the Hutu refugee camps around Goma.
Hutu militias and members of the Hutu provisional government were among the refugees, and they set up operations from the camps around Goma attacking ethnic Tutsis in the Kivus and Rwandan government forces at the border. For political reasons the Kinshasa government of the then Zaire led by Joseph Mobutu did not prevent the attacks, and so the Rwandan government and its Ugandan allies threw their support behind the Alliance of Democratic Forces for the Liberation of Zaire, a rebel movement led by Laurent Kabila against Mobutu. Rwandan forces stormed the camps at Goma, resulting in thousands of additional deaths, and with their help and that of Uganda, Kabila went on to overthrow Mobutu's regime in the First Congo War, which ended in 1997.
Within a year Kabila had quarrelled with his former allies, and in 1998 the Rwandan government backed a Goma-based rebel movement against Kabila, the Congolese Rally for Democracy (RCD, sometimes called RCD-Goma) made of Banyamulenge people, related to the Tutsis. They captured Bukavu and other towns, and the Second Congo War began. The Goma refugee camps, in which the Hutu had created a militia called the FDLR (Democratic Force for the Liberation of Rwanda), were again attacked by Rwandan government forces and the RCD.
The Second Congo War was unprecedented in Africa for the loss of civilian life in massacres and atrocities. By 2003 the Banyamulenge had become tired of the war and friction emerged between them and Rwanda. In 2002 and 2003 a fragile negotiated peace emerged between the many sides involved in the war.
There have been numerous outbreaks of violence since 2003. The Hutu FDLR remains in the forests and mountains north and west of Goma, carrying out attacks on the Rwandan border and on the Banyamulenge. The Congolese defence forces are unable or unwilling to stop them, and as a consequence Rwanda continues to support Banymulenge rebels such as the RCD and General Nkunda, and to carry out incursions into North Kivu in pursuit of the FDLR.[1]
In September 2007 large-scale fighting threatened to break out again as the 8,000-strong militia of General Nkunda, based around Rutshuru, broke away from integration with the Congolese army and began attacking them in the town of Masisi north-west of Goma. MONUC (United Nations Mission in the Democratic Republic of Congo) began airlifting Congolese troops into Goma and transferring them by helicopter from Goma International Airport to Masisi.[1]
On October 27, 2008, fighting broke out in the city between the Congolese army, supported by MONUC, and Nkunda's CNDP rebels. 200,000 refugees had fled the town.[2]
Goma is represented in the National Assembly by six deputies:
The Great Rift Valley is being pulled apart, leading to earthquakes and the formation of volcanoes in the area.
In January 2002, Nyiragongo erupted, sending a stream of lava 200 metres (219 yd) to one kilometre (1,100 yd) wide and up to two metres (6½ ft) deep through the center of the city as far as the lake shore. Agencies monitoring the volcano were able to give a warning and most of the population of Goma evacuated to Gisenyi. The lava destroyed 40% of the city (more than 4,500 houses and buildings). There were some fatalities caused by the lava and by emissions of carbon dioxide, which causes asphyxiation. The lava also covered over the northern 1 km of the 3-kilometre (10,000 ft) runway of Goma International Airport, isolating the terminal and apron which were at that end.[3] The lava can easily be seen in satellite photographs,[4] and aircraft can be seen using the 2-km (6,500-ft) southern section of the runway which is clear of lava.
In 2005, volcanic activity again threatened the city.
Currently the scientists at Goma are monitoring Nyiragongo.
Lake Kivu is one of three lakes in Africa identified as having huge quantities of dissolved gas held at pressure in its depths. Two of the others, Lake Monoun and Lake Nyos, experienced a limnic eruption or 'lake overturn', a catastrophic release of suffocating carbon dioxide probably triggered by landslides. Lake Nyos overturn was particularly lethal, killing nearly two thousand people in the area around the lake. Kivu is 2,000 times bigger than Lake Nyos and also contains dissolved methane as an additional hazard - though concentration of carbon dioxide is much lower than in Lake Nyos.[5] Nearly two million people including the population of Goma live in the vicinity of Lake Kivu and could be in danger from a limnic eruption triggered by one of the nearby volcanoes and the earthquakes associated with them.[6]
Climate data for Goma | |||||||||||||
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Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
Average high °C (°F) | 26 (79) |
26 (78) |
26 (78) |
25 (77) |
25 (77) |
25 (77) |
26 (78) |
26 (79) |
26 (78) |
26 (79) |
25 (77) |
26 (78) |
25.5 (77.9) |
Average low °C (°F) | 14 (58) |
15 (59) |
12 (54) |
15 (59) |
14 (58) |
14 (57) |
13 (55) |
14 (58) |
14 (57) |
14 (57) |
14 (57) |
14 (58) |
14.0 (57.3) |
Precipitation mm (inches) | 117 (4.6) |
71 (2.8) |
102 (4) |
155 (6.1) |
142 (5.6) |
51 (2) |
20 (0.8) |
66 (2.6) |
140 (5.5) |
157 (6.2) |
124 (4.9) |
112 (4.4) |
1,257 (49.5) |
Source: Weatherbase [7] |
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Goma is an open-source, parallel, and scalable multiphysics software package for modeling and simulation of real-life physical processes, with a basis in computational fluid dynamics for problems with evolving geometry. It solves problems in all branches of mechanics, including fluids, solids, and thermal analysis. Goma uses advanced numerical methods, focusing on the low-speed flow regime with coupled phenomena for manufacturing and performance applications. It also provides a flexible software development environment for specialty physics.
Goma was created by Sandia National Laboratories and is currently supported by both Sandia and the University of New Mexico.
Goma is a finite element program which solves problems from all branches of mechanics, including fluid mechanics, solid mechanics, chemical reactions and mass transport, and energy transport. The conservation principles for momentum, mass, species, and energy, together with material constitutive relations, can be described by partial differential equations. The equations are made discrete for solution on a digital computer with the finite element method in space and the finite difference method in time. The resulting nonlinear, time-dependent, algebraic equations are solved with a full Newton-Raphson method. The linearized equations are solved with direct or Krylov-based iterative solvers. The simulations can be run on a single processor or on multiple processors in parallel using domain decomposition, which can greatly speed up engineering analysis.
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