Sökning: "Thomas Stevens"

Hittade 5 avhandlingar innehållade orden Thomas Stevens.

1. 1. Source and age of late Quaternary loess deposits in Europe

   Författare :Yunus Baykal; Thomas Stevens; Christian Zdanowicz; Bryan C. Lougheed; Phillip L. Gibbard; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Naturgeografi; Physical Geography;

   Sammanfattning : Atmospheric mineral dust is a fundamental component of the Earth’s climate system, with dust both responding to and driving climate change. This close link between dust and climate is recorded in archives of past dust activity, which show that abrupt 101-3 yr shifts in temperature during the last glacial period were accompanied with fluctuations in dust activity. LÄS MER

3. 2. Provenance of the pre-Quaternary aeolian dust deposits of East Asia

   Författare :Katja Bohm; Thomas Stevens; Anu Kaakinen; Alex Pullen; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Chinese Loess Plateau; Red Clay; mineral dust; sediment provenance; detrital zircon; detrital rutile; Neogene; Paleogene; Earth Science with specialization in Physical Geography; Geovetenskap med inriktning mot naturgeografi;

   Sammanfattning : Atmospheric mineral dust is a key component in the climate system, but its effect on and response to climate changes are poorly understood, especially over long timescales. This thesis investigates the sources of late Paleogene and Neogene dust deposits that formed under warmer-than-present global climates in the northern Chinese Loess Plateau (CLP) region in mid-latitude East Asia. LÄS MER

4. 3. Late Miocene to Pliocene orbital and climatic forcing on marine productivity

   Författare :Boris-Theofanis Karatsolis; Jorijntje Henderiks; Thomas Stevens; David De Vleeschouwer; Clara T. Bolton; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : The late Miocene to Pliocene was a geological time interval of global cooling, albeit in a warmer-than-present world, which is commonly used as a past analogue for future anthropogenic climate change. The investigation of marine sediments recovered by the International Ocean Discovery Program (IODP) sheds light on different paleoclimatic, paleoceanographic and paleobiological characteristics of this period. LÄS MER

5. 4. Past environment and sediment dynamics in the Black Sea-Caspian Sea region from Southern Russian loess sequences

   Författare :Chiara Amalia Költringer; Thomas Stevens; Bjarne Almqvist; Ian Snowball; Kathryn Fitzsimmons; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : Loess deposits are excellent past climate and environment archives and contain records of aeolian mineral dust accumulation. Loess deposits stretch across Eurasia and sequences along the Lower Volga in the Northern Caspian lowland in the South East European Plain represent a key link between European and Asian loess. LÄS MER

7. 5. Landskap på jorden och i drömmen. Studier i Folke Isakssons lyrik

   Författare :Håkan Sandgren; Litteraturvetenskap; []
   Nyckelord :HUMANIORA; HUMANITIES; General and comparative literature; the aesthetics of the post-war era; modernist poetry; lyrical tropes and clichés; intertextuality; the metaphor of the journey; poetry of place; 20th century Swedish poetry; literature criticism; literary theory; Allmän och jämförande litteratur; litteraturkritik; litteraturteori;

   Sammanfattning : My study focuses on the analysis of single poems chosen as paradigmatic of Fole Isaksson's style and poetic vision. This approach is grounded in the belief that there is a certain thematic unity to Isaksson's lyric output, a unity which stems from the poet's constant preoccupation with the relations between the speaker of a poem and external nature, i. LÄS MER