1 – 150 of 150
- show: 250
- |
- sort: year (new to old)
Close
Embed this list
<iframe src=" "
width=" "
height=" "
allowtransparency="true"
frameborder="0">
</iframe>
- 2024
-
Mark
The glaciotectonic evolution of Ven, Sweden: insights from a comprehensive structural, sedimentological, and geomorphological analysis
(
- Master (Two yrs)
- 2023
-
Mark
U-Pb geochronology of brittle deformation using LA-ICP-MS imaging on calcite veins
(
- Master (Two yrs)
-
Mark
Petrography of impactites from the Dellen impact structure, Sweden
(
- Master (Two yrs)
-
Mark
Stratigraphy and palaeoenvironment of the early Jurassic volcaniclastic strata at Djupadalsmölla, central Skåne, Sweden
(
- Master (Two yrs)
-
Mark
Upper Ordovician stratigraphy of the Stora Sutarve core (Gotland, Sweden) and an assessment of the Hirnantian Isotope Carbon Excursion (HICE) in high-resolution
(
- Master (Two yrs)
-
Mark
Palaeocolour, skin anatomy and taphonomy of a soft-tissue ichthyosaur (Reptilia, Ichthyopterygia) from the Toarcian (Lower Jurassic) of Luxembourg
(
- Master (Two yrs)
-
Mark
Exceptionally preserved teleost fish eyes from the Eocene Fur Formation of Denmark – implications for palaeobiology, palaeoecology and taphonomy
(
- Master (Two yrs)
-
Mark
A study in ink – the morphology, ta- phonomy and phylogeny of squid-like cephalopods from the Jurassic Po- sidonia Shale of Germany and the first record of a loligosepiid gill
(
- Master (Two yrs)
-
Mark
Holocene environmental history of Washington Land, NW Greenland: a study based on lake sediments
(
- Master (Two yrs)
-
Mark
Reconstruction of the glacier dynamics and Holocene chronology of retreat of Helagsglaciären in Central Sweden
(
- Master (Two yrs)
-
Mark
Luminescence dating of the late Quaternary loess-palaeosol sequence at Velika Vrbica, Serbia
(
- Master (Two yrs)
-
Mark
Holocene environmental history of Warming Land, northern Greenland: a study based on lake sediments
(
- Master (Two yrs)
-
Mark
Petrography, geochemistry, and origin of deep magmatic cumulates in the Canary Islands – the xenolith record
(
- Master (Two yrs)
-
Mark
Methodology for Stored Heat “Heat In Place” (HIP) assessment of geothermal aquifers – Exemplified by a study of the Arnager Greensand in SW Scania
(
- Master (Two yrs)
-
Mark
3D modelling and resistivity measurements for hydrogeological assessments in the northern part of Vombsänkan
(
- Master (Two yrs)
-
Mark
Response of foraminifera Ammonia confertitesta (T6) to ocean acidification, warming, and deoxygenation - An experimental approach
(
- Master (Two yrs)
- 2022
-
Mark
Assessing the relationship between hypoxia and life on Earth, and implications for the search for habitable exoplanets
(
- Master (Two yrs)
-
Mark
A study of carbon, nitrogen, and biogenic silica concentrations in Cyperus papyrus, the sedge dominating the permanent swamp of the Okavango Delta, Botswana, Africa
(
- Master (Two yrs)
-
Mark
A re-investigation of hummocky moraine formed from ice sheet decay using geomorphological and sedimentological evidence in the Vomb area, southern Sweden
(
- Master (Two yrs)
-
Mark
Structural investigation of ductile deformations across the Frontal Wedge south of Lake Vättern, southern Sweden
(
- Master (Two yrs)
-
Mark
OSL dating of the Mesolithic site Nilsvikdalen 7, Bjorøy, Norway.
(
- Master (Two yrs)
-
Mark
Record of the end-Triassic mass extinction in shallow marine carbonates: the Lorüns section (Austria)
(
- Master (Two yrs)
- 2021
-
Mark
Indications for solar storms during the Last Glacial Maximum in the NGRIP ice core
(
- Master (Two yrs)
-
Mark
The preservation of cells in biomineralized vertebrate tissues of Mesozoic age – examples from a Cretaceous mosasaur (Reptilia, Mosasauridae)
(
- Master (Two yrs)
-
Mark
Feasibility of Enhanced Geothermal Systems in the Precambrian crystalline basement in SW Scania, Sweden
(
- Master (Two yrs)
-
Mark
The igneous complex of Ekmanfjorden, Svalbard: an integrated field, petrological and geochemical study
(
- Master (Two yrs)
-
Mark
Geological characterisation of geophysical lineaments as part of the expanded site descriptive model around the planned repository site for high-level nuclear waste, Forsmark, Sweden
(
- Master (Two yrs)
-
Mark
Implications of ice-bedrock dynamics at Ullstorp, Scania, southern Sweden
(
- Master (Two yrs)
-
Mark
A Method for Evaluating and Mapping Terrestrial Deposition and Preservation Potential- for Palaeostorm Surge Traces. Remote Mapping of the Coast of Scania, Blekinge and Halland, in Southern Sweden, with a Field Study at Dalköpinge Ängar, Trelleborg
(
- Master (Two yrs)
-
Mark
Oolites from the Arabian platform: Archives for the aftermath of the end-Triassic mass extinction
2021) In Dissertations in Geology at Lund University, Master’s thesis GEOR02 20211(
Department of Geology- Master (Two yrs)
-
Mark
Odensjön - A new varved lake sediment record from southern Sweden
(
- Master (Two yrs)
-
Mark
Rare terrestrial vertebrate remains from the Pliensbachian (Lower Jurassic) Hasle Formation on the Island of Bornholm, Denmark
(
- Master (Two yrs)
- 2020
-
Mark
Determination of depositional environment and luminescence dating of Pleistocene deposits in the Biely Váh valley, southern foothills of the Tatra Mountains, Slovakia
(
- Master (Two yrs)
-
Mark
Studying magmatic systems through chemical analyses on clinopyroxene - a look into the history of the Teno ankaramites, Tenerife
(
- Master (Two yrs)
-
Mark
Methods for rockfall risk assessment and estimation of runout zones: A case study in Gothenburg, SW Sweden
(
- Master (Two yrs)
-
Mark
Neck mobility versus mode of locomotion – in what way did neck length affect swimming performance among Mesozoic plesiosaurs (Reptilia, Sauropterygia)?
(
- Master (Two yrs)
-
Mark
Combining luminescence dating and sedimentary analysis to derive the landscape dynamics of the Velická Valley in the High Tatra Mountains, Slovakia
(
- Master (Two yrs)
-
Mark
Metamorphic microtextures and mineral assemblages in orthogneisses in NW Skåne – how do they correlate with technical properties?
(
- Master (Two yrs)
-
Mark
A geophysical survey in the Chocaya Basin in the central Valley of Cochabamba, Bolivia, using ERT and TEM
(
- Master (Two yrs)
-
Mark
A palaeoecological study of the establishment of beech forest in Söderåsen National Park, southern Sweden
(
- Master (Two yrs)
-
Mark
Characterization of mineral parageneses and metamorphic textures in eclogite- to high-pressure granulite-facies marble at Allmenningen, Roan, western Norway
(
- Master (Two yrs)
-
Mark
Holocene lake-level changes in the Siljan Lake District – Towards validation of von Post’s drainage scenario
(
- Master (Two yrs)
-
Mark
Implications of a rapidly thinning ice-margin for annual moraine formation at Gornergletscher, Switzerland
(
- Master (Two yrs)
-
Mark
”Man fyller det med mer information helt enkelt”: en fenomenografisk studie om studenters upplevelse av geologisk tid
(
- Master (Two yrs)
-
Mark
Major and trace element geochemical analysis of norites in the Hakefjorden Complex to constrain magma source and magma plumbing systems
(
- Master (Two yrs)
-
Mark
Assessing the biodiversity crisis within the Triassic-Jurassic boundary interval using redox sensitive trace metals and stable carbon isotope geochemistry
(
- Master (Two yrs)
-
Mark
Classification of four mesosiderites and implications for their formation
(
- Master (Two yrs)
-
Mark
Geochronology of gneisses adjacent to the Mylonite Zone in southwestern Sweden: evidence of a tectonic window?
(
- Master (Two yrs)
-
Mark
The Eemian Baltic Sea hydrography and paleoenvironment based on foraminiferal geochemistry
(
- Master (Two yrs)
-
Mark
Foreland evolution of Blåisen, Norway, over the course of an ablation season
(
- Master (Two yrs)
-
Mark
Temporal and genetical constraints of the Cu-Co Vena-Dampetorp deposit, Bergslagen, Sweden
(
- Master (Two yrs)
-
Mark
Resolving temporal links between the Högberget granite and the Wigström tungsten skarn deposit in Bergslagen (Sweden) using trace elements and U-Pb LA-ICPMS on complex zircons
(
- Master (Two yrs)
- 2019
-
Mark
Subsurface characterization of the Lund Sandstone – 3D model of the sandstone reservoir and evaluation of the geoenergy storage potential, SW Skåne, south Sweden-merged
(
- Master (Two yrs)
-
Mark
Using Very-Low-Frequency Electromagnetics (VLF-EM) for geophysical exploration at Albertine Graben, Uganda : a new CAD approach for 3D data blending
(
- Master (Two yrs)
-
Mark
Records of environmental change and sedimentation processes over the last century in a Baltic coastal inlet
(
- Master (Two yrs)
-
Mark
Zircon U-Pb constraints on the timing of Sveconorwegian migmatite formation in the Western and Median Segments of the Idefjorden terrane, SW Sweden
(
- Master (Two yrs)
-
Mark
Characterization of black corrosion in reinforced concrete structures: analyses of field samples from southern Sweden
(
- Master (Two yrs)
-
Mark
Assessment of using liquidity index for the approximation of undrained shear strength of clay tills in Scania
(
- Master (Two yrs)
-
Mark
Stratigraphy and dating of a lake sediment record from Lyngsjön, eastern Scania : human impact and aeolian sand deposition during the last millennium
(
- Master (Two yrs)
-
Mark
Processes of lateral moraine formation at a debris-covered glacier, Suldenferner (Vedretta di Solda), Italy
(
- Master (Two yrs)
-
Mark
Unravelling the timing and distribution of Paleoproterozoic dyke swarms in the eastern Kaapvaal Craton, South Africa
(
- Master (Two yrs)
-
Mark
Petrology of platinum-group element mineralization in the Koillismaa intrusion, Finland
(
- Master (Two yrs)
- 2018
-
Mark
Att välja den mest hållbara efterbehandlingsmetoden vid sanering : applicering av beslutsstödsverktyget SAMLA
(
- Master (Two yrs)
-
Mark
The Neoproterozoic Visingsö Group of southern Sweden : lithology, sequence stratigraphy and provenance of the Middle Formation
(
- Master (Two yrs)
-
Mark
Garnet amphibolite in the internal Eastern Segment, Sveconorwegian Province : monitors of metamorphic recrystallization at high temperature and pressure during Sveconorwegian orogeny
(
- Master (Two yrs)
-
Mark
Stratigraphy, sedimentology and geophysical assessment of the early Silurian Halla and Klinteberg formations, Altajme core, Gotland, Sweden
(
- Master (Two yrs)
-
Mark
Groundwater chemistry evaluation and a GIS-based approach for determining groundwater potential in Mörbylånga, Sweden
(
- Master (Two yrs)
-
Mark
Dynamic Recrystallization in the Sveconorwegian Frontal Wedge, Småland, southern Sweden
(
- Master (Two yrs)
-
Mark
Shock metamorphic features in zircon grains from the Mien impact structure : clues to conditions during impact
(
- Master (Two yrs)
-
Mark
Petrological characterization of the Cambrian sandstone reservoirs in the Baltic Basin, Sweden
(
- Master (Two yrs)
-
Mark
Ultrastructure and biomolecular composition of sea turtle epidermal remains from the Campanian (Upper Cretaceous) North Sulphur River of Texas
(
- Master (Two yrs)
-
Mark
Carbonate sedimentology and carbon isotope stratigraphy of the Tallbacken-1 core, early Wenlock Slite Group, Gotland, Sweden
(
- Master (Two yrs)
-
Mark
Multidisciplinary perspectives on a natural attenuation zone in a PCE-contaminated aquifer
(
- Master (Two yrs)
-
Mark
Rb-Sr sphalerite data and implications for the source and timing of Pb-Zn deposits at the Caledonian margin in Sweden
(
- Master (Two yrs)
-
Mark
Stratigraphy and pyrite geochemistry of the Lower–Upper Ordovician in the Lerhamn and Fågelsång-3 drill cores, Scania, Sweden
(
- Master (Two yrs)
-
Mark
Impact of southern Baltic sea-level changes on landscape development in the Verkeån River valley at Haväng, southern Sweden, during the early and mid Holocene
(
- Master (Two yrs)
- 2017
-
Mark
Multiradionuclide evidence for an extreme solar proton event around 2610 BP
(
- Master (Two yrs)
-
Mark
Dynamics of a retreating ice sheet : a LiDAR study in Värmland, SW Sweden
(
- Master (Two yrs)
-
Mark
A geophysical survey (TEM; ERT) of the Punata alluvial fan, Bolivia
(
- Master (Two yrs)
-
Mark
Metodundersökning : utvärdering av borrhålskartering avseende kalksten för industriella ändamål, File Hajdarbrottet, Slite, Gotland
(
- Master (Two yrs)
-
Mark
Metodik för kartläggning och klassificering av erosion och släntstabilitet i vattendrag
(
- Master (Two yrs)
-
Mark
P-T estimation of the metamorphism of gabbro to garnet amphibolite at Herrestad, Eastern Segment of the Sveconorwegian orogen
(
- Master (Two yrs)
-
Mark
New geochronological constraints on the Klipriviersberg Group: defining a new Neoarchean large igneous province on the Kaapvaal Craton, South Africa
(
- Master (Two yrs)
- 2016
-
Mark
Evaluation of DC resistivity and time-domain IP tomography for bedrock characterisation at Önneslöv, Southern Sweden
(
- Master (Two yrs)
-
Mark
Formation evaluation of the Jurassic Stø and Nordmela formations in exploration well 7220/8-1, Barents Sea, Norway
(
- Master (Two yrs)
-
Mark
TEM investigation on Challapampa aquifer, Oruro Bolivia
(
- Master (Two yrs)
-
Mark
Cambrian stratigraphy and depositional dynamics based on the Tomten-1 drill core, Falbygden, Västergötland, Sweden
(
- Master (Two yrs)
-
Mark
Lower to Middle Ordovician carbonate sedimentology and stratigraphy of the Pakri peninsula, north-western Estonia
(
- Master (Two yrs)
-
Mark
Evaluation of methods to characterise the geochemistry of limestone and its fracturing in connection to heating
(
- Master (Two yrs)
-
Mark
Utvärdering av metoderna DCIP och CSIA för identifiering av nedbrytningszoner för klorerade lösningsmedel : en studie av Färgaren 3 i Kristianstad
(
- Master (Two yrs)
-
Mark
Vegetation responses to Late Glacial climate shifts as reflected in a high resolution pollen record from Blekinge, south-eastern Sweden, compared with responses of other climate proxies
(
- Master (Two yrs)
-
Mark
Sedimentological study of the Jurassic and Cretaceous sequence in the Revinge-1 core, Scania
(
- Master (Two yrs)
-
Mark
U-Pb geochronology and geochemistry of host rocks to the Bastnäs-type REE mineralization in the Riddarhyttan area, west central Bergslagen, Sweden
(
- Master (Two yrs)
-
Mark
Metamorphic record of monazite in aluminous migmatitic gneisses at Stensjöstrand, Sveconorwegian orogen
(
- Master (Two yrs)
-
Mark
A pre-LGM sandur deposit at Fiskarheden, NW Dalarna : sedimentology and glaciotectonic deformation
(
- Master (Two yrs)
- 2015
-
Mark
U-Pb baddeleyite dating of intrusions in the south-easternmost Kaapvaal Craton (South Africa) : revealing multiple events of dyke emplacement
(
- Master (Two yrs)
-
Mark
The application of resistivity and IP-measurements as investigation tools at contaminated sites : a case study from Kv. Renen 13, Varberg, SW Sweden
(
- Master (Two yrs)
-
Mark
Sources and effects of short-term environmental changes in Gullmar Fjord, Sweden, inferred from the composition of sedimentary organic matter
(
- Master (Two yrs)
-
Mark
The paleoceanography of Kattegat during the last deglaciation from benthic foraminiferal stable isotopes
(
- Master (Two yrs)
-
Mark
A contribution to the knowledge of Fårö’s hydrogeology
(
- Master (Two yrs)
-
Mark
Geochemical and palaeomagnetic characteristics of a Swedish Holocene sediment sequence from Lake Storsjön, Jämtland
(
- Master (Two yrs)
-
Mark
Spectral time domain induced polarization : factors affecting spectral data information content and applicability to geological characterization
(
- Master (Two yrs)
-
Mark
87Sr/86Sr in plagioclase, evidence for a crustal origin of the Hakefjorden Complex, SW Sweden
(
- Master (Two yrs)
-
Mark
Using Fe-Ti oxides and trace element analysis to determine crystallization sequence of an anorthosite-norite intrusion, Älgön SW Sweden.
(
- Master (Two yrs)
-
Mark
A palaeoenvironmental study of a peat sequence from Iles Kerguelen (49°S, Indian Ocean) for the Last Deglaciation based on pollen analysis
(
- Master (Two yrs)
-
Mark
Sedimentology and carbon isotope stratigraphy of Lower–Middle Ordovician successions of Slemmestad (Oslo-Asker, Norway) and Brunflo (Jämtland, Sweden)
(
- Master (Two yrs)
-
Mark
Using calcein-filled osmotic pumps to study the calcification response of benthic foraminifera to induced hypoxia under in situ conditions : an experimental approach
(
- Master (Two yrs)
- 2014
-
Mark
Geophysical ground surveys of the Matchless Amphibolite Belt in Namibia
(
- Master (Two yrs)
-
Mark
Chrome spinel grains from the Komstad Limestone Formation, Killeröd, southern Sweden : a high-resolution study of an increased meteorite flux in the Middle Ordovician
(
- Master (Two yrs)
-
Mark
A study of Mg/Ca in benthic foramini-fera sampled across a large salinity gradient
(
- Master (Two yrs)
-
Mark
Ascertaining the lithological boundaries of the Yoldia Sea of the Baltic Sea : a geochemical approach
(
- Master (Two yrs)
-
Mark
U-Pb geochronology of the Tsineng dyke swarm and paleomagnetism of the Hartley Basalt Formation, South Africa : evidence for two separate magmatic events at 1.93 – 1.92 and 1.88 – 1.84 Ga in the Kalahari craton
(
- Master (Two yrs)
-
Mark
Food partitioning and dietary habits of mosasaurs (Reptilia, Mosasauridae) from the Campanian (Upper Cretaceous) of the Kristianstad Basin, southern Sweden
(
- Master (Two yrs)
-
Mark
Metadolerites as quantitative P-T markers for Sveconorwegian metamorphsim, SW Sweden
(
- Master (Two yrs)
-
Mark
Is it possible to reconstruct local pre-sence of pine on bogs during the Ho-locene based on pollen data? : a study based on surface and stratigraphical samples from three bogs in southern Sweden
(
- Master (Two yrs)
-
Mark
Bortforsling av kaxblandat vatten från borrningar via dagvattenledningar : riskanalys, karaktärisering av kaxvatten och reningsmetoder
(
- Master (Two yrs)
-
Mark
REE mineralisation and metasomatic alteration in the Olserum metasediments
(
- Master (Two yrs)
-
Mark
The cosmic-ray events around AD 775 and AD 993 : assessing their causes and possible effects on climate
(
- Master (Two yrs)
-
Mark
U-Pb baddeleyite geochronology and geochemistry of the White Mfolozi Dyke Swarm : unravelling the complexities of 2.70-2.66 Ga dyke swarms on the eastern Kaapvaal Craton, South Africa
(
- Master (Two yrs)
-
Mark
The Birimian event in the Baoulé Mossi domain (West African Craton) : regional and global context
(
- Master (Two yrs)
-
Mark
Understanding igneous processes through zircon trace element systematics : prospects and pitfalls
(
- Master (Two yrs)
- 2013
-
Mark
A sedimentological and stratigraphical study of Veiki moraine in northernmost Sweden
(
- Master (Two yrs)
-
Mark
Upper Cretaceous coprolites from the Münster Basin (northwestern Germany) : a glimpse into the diet of extinct animals
(
- Master (Two yrs)
-
Mark
A dendroclimatic study at Store Mosse, South Sweden : climatic and hydrologic impacts on recent Scots Pine (Pinus sylvestris) growth dynamics
(
- Master (Two yrs)
-
Mark
Investigations of a stalactite from Al Hota cave in Oman and its implications for palaeoclimatic reconstructions
(
- Master (Two yrs)
-
Mark
The Säm fold structure : characterization of folding and metamorphism in a part of the eclogite–granulite region, Sveconorwegian orogen
(
- Master (Two yrs)
-
Mark
Sedimentology and palynofacies analysis of Jurassic rocks Eriksdal, Skåne, Sweden
(
- Master (Two yrs)
-
Mark
Optically Stimulated Luminescence (OSL) dating of aeolian sediments of Skåne, south Sweden
(
- Master (Two yrs)
-
Mark
Field relations, petrography and 40Ar/39Ar cooling ages of hornblende in a part of the eclogite-bearing domain, Sveconorwegian Orogen
(
- Master (Two yrs)
-
Mark
Ice advance-retreat sediment successions along the Logata River, Taymyr Peninsula, Arctic Siberia
(
- Master (Two yrs)
-
Mark
Relation between sediment flux variation and land use patterns along the Swedish Baltic Sea coast
(
- Master (Two yrs)
-
Mark
Peat stratigraphical study of hydrological conditions at Stass Mosse, southern Sweden, and the relation to Holocene bog-pine growth
(
- Master (Two yrs)
-
Mark
U-Pb baddeleyite dating of the Pará de Minas dyke swarm in the São Francisco craton (Brazil) : three generations in a single swarm
(
- Master (Two yrs)
-
Mark
U-Pb, O and Lu-Hf isotope ratios of detrital zircon from Ghana, West-African Craton : formation of juvenile, Palaeoproterozoic crust
(
- Master (Two yrs)
-
Mark
P-T evolution of paragneisses and amphibolites from Romeleåsen, Scania, southernmost Sweden
(
- Master (Two yrs)
-
Mark
Pollen analytical and landscape reconstruction study at Lake Storsjön, southern Sweden, over the last 2000 years
(
- Master (Two yrs)
-
Mark
Analyses of thermal conductivity from mineral composition and analyses by use of Thermal Conductivity Scanner : a study of thermal properties of Scanian rock types
(
- Master (Two yrs)
-
Mark
Paleoecology and sedimentology of the Upper Cretaceous (Campanian), marine strata at Åsen, Kristianstad Basin, Southern Sweden, Scania
(
- Master (Two yrs)
- 2012
-
Mark
Stratigraphy, facies and depositional history of the Colonus Shale Trough, Skåne, southern Sweden
(
- Master (Two yrs)
-
Mark
Prediction of the degree of thermal breakdown of limestone : a case study of the Upper Ordovician Boda Limestone, Siljan district, central Sweden
(
- Master (Two yrs)
-
Mark
U-Pb geochronology and paleomagnetism of the Westerberg sill, Kaapvaal Craton : support for a coherent Kaapvaal-Pilbara block (Vaalbara)
(
- Master (Two yrs)
-
Mark
Cosmic ray tracks in chondritic material with focus on silicate mineral inclusions in chromite
(
- Master (Two yrs)
-
Mark
U-Pb baddeleyite ages from mafic dyke swarms in Dharwar craton, India : links to an ancient supercontinent
(
- Master (Two yrs)
-
Mark
Karaktärisering av arsenikförorening i matjordsprofiler kring Klippans Läderfabrik
(
- Master (Two yrs)
-
Mark
Identification of sources of ammonium in groundwater using stable nitrogen and boron isotopes in Nam Du, Hanoi
(
- Master (Two yrs)
-
Mark
Sequence stratigraphy, palynology and biostratigraphy across the Ordovician-Silurian boundary in the Röstånga-1 core, southern Sweden
(
- Master (Two yrs)
-
Mark
Variation in rock quality between metamorphic domains in the lower levels of the Eastern Segment, Sveconorwegian Province
(
- Master (Two yrs)
-
Mark
Palynological investigation of coal-bearing deposits of the Thar Coal Field Sindh, Pakistan
(
- Master (Two yrs)
-
Mark
Carbon isotope chemostratigraphy of the Late Silurian Lau Event, Gotland, Sweden
(
- Master (Two yrs)
- 2011
-
Mark
Metamorphosed and partially molten hydrothermal alteration zones of the Akulleq glacier area, Paamut gold province, South-West Greenland
(
- Master (Two yrs)