The Amazon estuary centers on the giant island of Marajó (40,000 km2) around which Amazon River water flows. The main Amazon River channel meets the Atlantic north of Marajó Island but part of the river also flows south and then northeast through Marajó Bay. Due to the Amazon River’s huge discharge its estuary is largely fresh water.

On this stretch of coast lies one of the biggest continuous mangrove formations in the world; with over 8,900 square kilometres stretching over 700 km, it holds 70% of the mangroves of Brazil. The Site is adjacent to other Ramsar Sites: Cabo Orange, Baixada Maranhense, Reentrancias Maranhenses and Parcel Manuel Luiz.

The Amazon River Estuary Bioregion, located in the Amazonia subrealm of Southern America, includes a huge river delta formed at the end of the Amazon River’s 4000-mile journey to the sea in northern Brazil, where it meets up with the Tocantins …

2016年11月22日 · the Amazon estuary at Marajó Island, natural levees protect inland floodplain areas from tidal pulses and create freshwater swamps. Mangroves extend along the coasts of

The present paper aims to present a novel topographic and bathymetric dataset of the whole Amazon River estuary, from its upstream limit 1000 km inland to its terminal estuary at its oceanic outlet, covering the riverbed as well as the intermittently flooded …

The offshore estuary has depths of 7 to 22 meters, less suspended sediment, greater salinity (but still less than marine water, or less than 32 parts/1,000) and higher primary productivity. Productivity in the offshore Amazon estuary zone can be similar to that off the coast of Peru, where upwelling supplies huge amounts of nutrients.

coastline of Brazil where the Amazon River pours into the Atlantic Ocean and forms the immense Amazon River Estuary. The estuary holds 80% of Brazil’s mangroves—all located within a 9.5-million-acre coastal wetland of international importance known as a Ramsar site—and is home to at least 40 globally threatened species and 21 listed as

The area of the Amazon estuary, for the purpose of this chapter, is defined as the southern limit of the Amazon River plume (i.e., northeast of the Para River) northward to the Brazilian /...

2018年5月1日 · The Amazon estuary is located in the Amazon Basin, North Brazil, the largest river basin on Earth and also one of the least understood. A considerable segment of the population living in the estuary is directly dependent on the local extraction of natural resources for their livelihood.

2006年1月1日 · This chapter describes the unique features of the Amazon estuary and how these features influence the processes occurring within the estuary. Examined are the supply and cycling of major and minor elements, and the use of naturally occurring radionuclides to trace processes including water movement, scavenging, sediment-water interaction, and ...