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Posts tagged Tagus River

Lisbon on Shores of Tagus River Estuary, Portugal

38.7N 9.1W

April 21st, 2012 Category: Rivers

Portugal - January 4th, 2012

This wide-swath ASAR image shows the southwestern coast of Portugal. Visible on the left side of the image is the lower course of the Tagus River, the longest river on the Iberian Peninsula. It empties into the Atlantic Ocean near Lisbon, after flowing across both Spain and Portugal. It drains an area of 80,100 square kilometers (30,927 sq mi) (the second largest in the Iberian peninsula after the Douro).

Mountains of Spain’s Meseta Central

40.3N 3.7W

April 10th, 2012 Category: Mountains

Spain - April 9th, 2012

The Meseta Central (“Inner Plateau”) is a vast plateau in the heart of peninsular Spain that has elevations that range from 610 to 760 m. Rimmed by mountains, the Meseta Central slopes gently to the west and to the series of rivers that form some of the border with Portugal.

The Sistema Central, described as the “dorsal spine” of the Meseta Central, divides the Meseta into northern and southern subregions, the former higher in elevation and smaller in area than the latter. The Sistema Central rims the capital city of Madrid with peaks that rise to 2,400 m north of the city and to lower elevations south of it. West of Madrid, the Sistema Central shows its highest peak, Pico Almanzor, of 2,592 m.

The southern portion of the Meseta (Spanish: Submeseta Sur) is further divided by twin mountain ranges, the Montes de Toledo running to the east with the Sierra de Guadalupe, to the west. Their peaks do not rise much higher than 1,500 m. With many easy passes, including those that connect the Meseta with the Andalusian Plain, the Montes de Toledo do not present an obstacle to transportation and communication. This chain of lower mountain ranges is separated from the Sistema Central to the north by the longest river in the Iberian Peninsula: the Tagus River.

Sediments from Tagus and Guadalquivir Rivers, Portugal and Spain

36.7N 6.3W

March 14th, 2012 Category: Rivers

Spain - January 6th, 2012

This image shows thick patches of clouds hanging over parts of the Iberian Peninsula during the northern hemisphere winter. Visible along the coastline are sediments from rivers such as the Tagus, whose large estuary by Lisbon, Portugal, is best observed near the center left in the full image, and the Guadalquivir, which enters the Gulf of Cádiz by the city of Sanlúcar de Barrameda and the Doñana National Park, in the lower right quadrant. Also visible at the lower right is the Strait of Gibraltar, partially covered by clouds. The strait separates Spain from Morocco, which can be observed upon opening the full image.

Sediments in Tagus Estuary, Portugal

38.7N 9.1W

February 29th, 2012 Category: Sediments

Portugal - December 29th, 2011

The Tagus River is the longest river on the Iberian Peninsula. It is 1,038 km (645 mi) long, 716 km (445 mi) in Spain, 47 km (29 mi) along the border between Portugal and Spain and 275 km (171 mi) in Portugal, where it empties into the Atlantic Ocean at Lisbon. There, it widens to a large estuary, on which the port city of Lisbon is situated (the city can be observed upon opening the full image). The estuary appears filled with brown sediment near the image center.

The Tagus drains an area of 80,100 square kilometers (30,927 sq mi) (the second largest drainage area on the Iberian peninsula after that of the Douro River). The Tagus is highly utilized for most of its course. Several dams and diversions supply drinking water to most of central Spain, including Madrid, and Portugal, while dozens of hydroelectric stations create power. Between dams it follows a very constricted course, but after Almourol it enters a vast alluvial valley prone to flooding.

Iberian Peninsula from Tagus Estuary to Gibraltar to Pyrenees – July 4th, 2011

39.5N 5.5W

July 4th, 2011 Category: Image of the day, Rivers

Spain - June 21st, 2011

This image stretches across the Iberian Peninsula, located in the extreme southwest of Europe, which includes the modern-day sovereign states of Spain (occupying the majority of the image), Portugal (by the west coast) and Andorra, as well as the British Overseas Territory of Gibraltar.

The Pyrenees form the northeast edge of the peninsula, separating it from the rest of Europe. Part of France can be seen north of these mountains in the upper right corner.

In the south, the peninsula approaches the northern coast of Africa. Part of the Strait of Gibraltar can be seen here, between the two continents, although Gibraltar itself is obscured by clouds.

Of interest on the west coast is the city of Lisbon, in Portugal, on the estuary of the Tagus River (both best observed in the full image).

 

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