Search for dissertations about: "Lake sediments"
Showing result 1 - 5 of 139 swedish dissertations containing the words Lake sediments.
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1. Microcystis in lake sediments : its potential role in phosphorus exchange between sediment and lake water
Abstract : .... READ MORE
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2. Lake sediments around the Antarctic Peninsula : archives of climatic and environmental changes
Abstract : Lakes and lake sediments from four areas around the Antarctic Peninsula are described.The concentrations of trace metals in sediment are found to be a useful tool in distinguishing between the different sedimentary phases during a transition from marine to limnic environment. READ MORE
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3. Boreal Lake Sediments as Sources and Sinks of Carbon
Abstract : Inland waters process large amounts of organic carbon, contributing to CO2 and CH4 emissions, as well as storing organic carbon (OC) over geological timescales. Recently, it has been shown that the magnitude of these processes is of global significance. READ MORE
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4. Vegetation history, human impact and palaeogeography of West Estonia : Pollen analytical studies of lake and bog sediments
Abstract : The history of Holocene vegetation in western Estonia and the West Estonian Archipelago is described. Early Holocene sea level changes in the area are reconstructed, and human impact on the vegetation during the Late Holocene is discussed West Estonia was divided into five study areas (Rummu-Maardu, Mustjärve, Velise-Kiilaspere, Tôstamaa Peninsula, and northern Saaremaa in the West Estonian Archipelago, from north to south). READ MORE
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5. Acidification trends in Swedish lakes : an assessment of past water chemistry conditions using lake sediments
Abstract : This thesis presents temporal perspectives of lake acidification in Sweden. Sediment records have been used to study timing, trends and causes of acidification, and two different techniques for assessing past lake-water acidity are presented. READ MORE