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Dhaka on Banks of Buriganga River, Bangladesh

23.7N 90.4E

February 8th, 2012 Category: Rivers

Bangladesh - January 7th, 2012

This APM image shows the city of Dhaka, Bangladesh. It is the capital of Bangladesh and the principal city of Dhaka Division. Dhaka is a megacity and one of the major cities of South Asia. Along with its metropolitan area, the city had a population of over 16 million in 2011, making it the largest city in Bangladesh. It is the 9th largest city in the world and also 28th among the most densely populated cities in the world.

Dhaka is located in central Bangladesh, on the eastern banks of the Buriganga River. The city lies on the lower reaches of the Ganges Delta and covers a total area of 360 square kilometres (140 sq mi). Tropical vegetation and moist soils characterize the land, which is flat and close to sea level. This leaves Dhaka susceptible to flooding during the monsoon seasons owing to heavy rainfall and cyclones.

Estuary of Cross River, Nigeria and Cameroon

4.8N 8.2E

February 2nd, 2012 Category: Rivers

Nigeria and Cameroon - January 1st, 2012

This APM image shows the estuary of the Cross River (native name: Oyono River), the main river in southeastern Nigeria, giving its name to Cross River State. It originates in Cameroon, where it takes the name of the Manyu River.

Over its last 80 km to the sea its flows through swampy rainforest with numerous creeks and forms an inland delta near its confluence with the Calabar River, about 20 km wide and 50 km long between the cities of Oron on the west bank and Calabar, on the east bank, more than 30 km from the open sea. The delta empties into a broad estuary which it shares with a few smaller rivers. At its mouth in the Atlantic Ocean the estuary is 24 km wide. The eastern side of the estuary is in the neighbouring country of Cameroon.

The Cross River forms a boundary between two tropical moist forest ecoregions, the Cross-Niger transition forests which lie west of the river, between the Cross and Niger Rivers, and the Cross-Sanaga-Bioko coastal forests, which lie to the east between the Cross River and the Sanaga River of Cameroon.

Ottawa, Capital City of Canada, at Confluence of Ottawa and Rideau Rivers

45.4N 75.6W

January 27th, 2012 Category: Rivers

Canada - January 5th, 2012

This APM image shows the city of Ottawa, the capital of Canada. The city centre is located at the confluence of the Ottawa and Rideau Rivers. The Ottawa River forms the entire northern boundary of the city (which appears bright green in this image), which it shares with the province of Quebec’s municipalities of Pontiac and Gatineau.

Here, Gatineau can be seen as an orange area across the Ottawa River, which also forms the border between Ontario and Quebec. The highest point in the Ottawa is 166 m (545 ft) above sea level, while the lowest point in the city is the Ottawa River, at 44m above sea level. Located on a major, yet mostly dormant fault line,[50] Ottawa is occasionally struck by earthquakes.

Lualaba River Flowing Through Congo Rainforest, DRC

-0.0N 25.5E

January 24th, 2012 Category: Rivers

DRC - January 3rd, 2012

This APM image shows the Lualaba River flowing more or less vertically across the Democratic Republic of the Congo. The Lualaba River is the greatest headstream of the Congo River by volume of water. It is 1800 km long, and the whole of its length lies within the Democratic Republic of Congo. It rises at an elevation of 1400 m above sea level and flows northwards to Kisangani, where the Congo River officially begins (just beyond the top left corner).

The river flows through the Congo rainforest, the second largest rain forest area in the world. Here, the rain forest appears as mostly flat terrain on either side of the river. The only exception is a hiller region visible in the upper right corner. The narrower river meandering across the land south of those hills is the Maiko River.

 

Jakarta and Mount Gede Volcano, Indonesia

6.2S 106.8E

January 19th, 2012 Category: Volcanoes

Indonesia - January 4th, 2012

In the upper right corner of this APM image is Jakarta, the capital and largest city of Indonesia. It is located on the northwest coast of Java, at the mouth of the Ciliwung River on Jakarta Bay, which is an inlet of the Java Sea. The city has an area of 661 square kilometres (255 sq mi).

Jakarta lies in a low, flat basin, averaging 7 metres (23 ft) above sea level; 40% of Jakarta, particularly the northern areas, is below sea level, while the southern parts are comparatively hilly. Rivers flow from the Puncak highlands to the south of the city, across the city northwards towards the Java Sea; the most important is the Ciliwung River, which divides the city into the western and eastern principalities. Other rivers include the Pesanggrahan, and Sunter.

Visible to the south, near the right edge, in the full image, is Mount Gede or Gunung Gede, a stratovolcano in West Java, Indonesia. The volcano contains two peaks: Mount Gede and Mount Pangrango. Seven craters are located in the complex: Baru, Gumuruh (2,927 m), Lanang (2,800 m), Kawah Leutik, Ratu (2,800 m), Sela (2,709 m) and Wadon (2,600 m). Historical volcanic activity has been recorded since the 16th century.

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