Climatic and Environmental History of Isla de los Estados, by Juan Federico Ponce

By Juan Federico Ponce

This publication is the results of ten years’ of medical study performed by way of the authors on Isla de los Estados. The study comprises their doctoral thesis and lots of released medical papers on the topic of the island.

The ebook is split into central elements. the 1st half covers assorted social and ordinary facets of this distant island and comprises chapters at the clinical and historic history, physiography with topographical and hydrographical descriptions, weather and oceanographic move, crops and geology (including stratigraphy, structural geology and geological history).

The moment half contains a reconstruction of the paleoenvironmental, paleoclimatic and paleogeographic historical past of the island from the final Glacial greatest to the current, correlating with different paleoecological files from the southern a part of Isla Grande de Tierra del Fuego and Patagonia. This moment half additionally incorporates a geomorphological bankruptcy with a characterization of the central erosive glacial landforms on Isla de los Estados built by way of morphometric research, inventories, maps, paleogeographic and glacial versions, and a paleoecological bankruptcy comparing the palaeoenvironment and palaeoclimatic stipulations that prevailed through the past due Pleistocene-Holocene occasions in keeping with pollen and diatom research from 3 14C-dated peat bathrooms and lakes. eventually, the e-book concludes with a evaluation of the island’s archaeology and the connection among the palaeoenvironmental background and human career of this island.

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Climatic and Environmental History of Isla de los Estados, Argentina

This e-book is the results of ten years’ of medical learn conducted by means of the authors on Isla de los Estados. The learn comprises their doctoral thesis and plenty of released clinical papers relating to the island. The e-book is split into crucial components. the 1st half covers assorted social and normal facets of this distant island and comprises chapters at the medical and ancient historical past, physiography with topographical and hydrographical descriptions, weather and oceanographic movement, crops and geology (including stratigraphy, structural geology and geological history).

Extra resources for Climatic and Environmental History of Isla de los Estados, Argentina

Example text

5 km2; this value represents 7 % of the total surface area of the island, which is a very high value for islands of intermediate dimensions. 008 km2. 2. 71 km. The predominant direction of exposure is towards the southeast with 23 % of the cirques oriented in this direction. 37 km2. Composite cirques have been seen, that is to say, small cirques developed on the upper parts of larger cirques. This relation, called “cirque-in-cirque” is often related to changes in the position of the permanent snow line after the Last Glacial Maximum.

References Cabrera A (1976) Regiones fitogeográficas argentinas. In: ACME (ed) Enciclopedia Argentina de Agronomía y Jardinería, vol 2, 1st edn. Buenos Aires, pp 1–85 Dudley TR, Crow GE (1983) A contribution to the Flora and Vegetation of Isla de los Estados (Staaten Island), Tierra del Fuego, Argentina. Antarct. Res. Ser. 37:1–26, American Geophysical Union, Washington, DC Kühnemann O (1976) Observaciones ecológicas sobre la vegetación marina y terrestre de la Isla de los Estados (Tierra del Fuego, Argentina).

The places most exposed to the strong and constant winds on the island are similar in terms of flora to the Magellanic moorland of the Fuegian Archipelago, which is very characteristic of the Sub-Antarctic region (Dudley and Crow 1983). In the places most exposed to the strong south-easterly and easterly winds it is possible to observe the influence of the winds on some trees that have bent and knotty trunks that grow in the direction of the dominant winds. The floor of the forest is dominated by diverse species of lichens that form a very spongy covering with high water retention.

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