Off the coast of South Africa, near where the South Atlantic meets the Southern Indian Ocean, a massive summer phytoplankton bloom colored the waters with…Read More »
a swirl of turquoise, green and white in late December 2011. Although this circular bloom has the appearance of a precious antique gaming marble, it is actually the result of millions of tiny plant-like organisms (phytoplankton ) which are growing where nutrient-rich waters mix together.
Salt lakes of assorted sizes occur throughout southwestern Australia, and one of the larger ones is Lake Dundas. Located about 130 kilometers (80 miles)…Read More »
inland from the coastal city of Esperance, Lake Dundas occupies a region of low rainfall and abundant sunshine. This salt-encrusted lake presents a complex face to satellite sensors, with plentiful islands poking above the water line.
On the northwestern coast of Madagascar, the salty waters of the Mozambique Channel penetrate inland to join with the freshwater outflow of the Betsiboka…Read More »
River, forming Bombetoka Bay. Numerous islands and sandbars have formed in the estuary from the large amount of sediment carried in by the Betsiboka River and have been shaped by the flow of the river and the push and pull of tides.