A5083779550- Geology and Paleoclimatology Research
- Climate change and permafrost
- Mine drainage and remediation techniques
- Cryospheric studies and observations
- Marine and environmental studies
- Paleontology and Stratigraphy of Fossils
- Geochemistry and Geologic Mapping
- Soil Geostatistics and Mapping
- Isotope Analysis in Ecology
- Geomagnetism and Paleomagnetism Studies
- Landslides and related hazards
- Geochemistry and Elemental Analysis
- Geological Formations and Processes Exploration
- Botany and Plant Ecology Studies
- Geological formations and processes
- Peatlands and Wetlands Ecology
- Soil and Unsaturated Flow
- Coastal wetland ecosystem dynamics
- Geophysical and Geoelectrical Methods
- Soil Moisture and Remote Sensing
- Indigenous Studies and Ecology
- Heavy metals in environment
- Soil and Water Nutrient Dynamics
- Diatoms and Algae Research
- Arctic and Russian Policy Studies
Geological Survey of Sweden
2004-2024
Swedish University of Agricultural Sciences
1998-2001
University of Agriculture Faisalabad
2000
Stockholm University
1995-1997
Established international soil classification systems have not properly accommodated acid sulfate soils (ASS) and materials in Finland Sweden because: (1) these some diagnostic ASS properties are too deep to meet the depth requirements, (2) there is a lack of defined criteria for acidic potentially that do completely fulfill pH-criterion pH < 4.0. In this paper, two new introduced with prefix “para” parasulfuric material (oxidized material) parahypersulfidic (reduced material). These...
A study of changes in siliceous microfossil assemblages and chemical analyses a well‐dated offshore sediment core from the Bornholm Basin, southwestern Baltic Sea, is carried out with objective increasing knowledge Holocene history area. The covers about 11300 calendar years brackish phase Yoldia Sea stage to present. first weak marine influence Ancylus Lake recorded 10100 cal. yr BP ( c. 8900 14 C BP), indicating complex transition Litorina different phases brackish‐water inflow. lithology,...
Acid sulfate soils are sulfide-rich that pose a notable environmental risk as their strong acidity and low pH mobilizes metals from soil minerals leading to both acidification metal contamination of the surrounding environment. In this study rapid cost-efficient approach was developed resolve main distribution patterns geochemical features acid throughout coastal plains stretching for some 2000 km in eastern, southern, western Sweden. Of investigated 126 field sites, 47 % had including 33...
In the initial phase of a national project to map clay, sand and soil organic matter (SOM) content in arable topsoil Sweden, study area south-west Sweden comprising about 100 000 ha land was assessed. Models were created for texture, SOM two estimated variables lime requirement determination (target pH buffering capacity), using data mining method (multivariate adaptive regression splines). Two existing reference datasets used: grid dataset individual farms. The predictor three types:...
Understanding how long-term abiotic and biotic processes are linked at a landscape level is of major interest for analyzing future impact on humans the environment from present-day societal planning. This article uses results derived multidisciplinary work coastal site in Sweden, with aim describing development. First, based current historical data, we identified climate change, shoreline displacement, accumulation/erosion as main drivers Second, site-specific information was combined data...
Abstract. Global warming is expected to be most pronounced in the Arctic where permafrost thaw and release of old carbon may provide an important feedback mechanism climate system. To better understand predict effects feedbacks on cycling elements within between ecosystems northern latitude landscapes, a thorough understanding processes related transport required. A fundamental requirement reach process have access high-quality empirical data chemical concentrations biotic properties for...
Selected geochemical parameters and siliceous microfossil assemblages in Baltic Sea sediments are presented which reflect past variations redox conditions, salinity primary production. The were deposited during the freshwater Ancylus Lake (9500‐8000 14 C BP) brackish Litorina (8000‐3000 stages of Baltic. diatom record shows that surface‐water increased further at c . 7000‐6500 BP, although smaller amounts water entered basin from 8000 BP onwards. Attempts to use exchangeable Mg as a...
To assist transport modeling in assessments of the radiological impact a geological repository for radioactive wastes, mobility various elements was studied arable and wetland soils Forsmark region, Sweden. Pore water total element contents were determined five types unconsolidated deposits (regolith), spanning wide range soil properties with respect to pH organic matter content. Two depths sampled capture regolith layers affected unaffected by soil-forming processes. The solid/liquid...
A study of changes in siliceous microfossil assemblages and chemical analyses a well-dated offshore sediment core from the Bornholm Basin, southwestern Baltic Sea, is carried out with objective increasing knowledge Holocene history area. The covers about 11300 calendar years brackish phase Yoldia Sea stage to present. first weak marine influence Ancylus Lake recorded 10100 cal. yr BP (c. 8900 14C BP), indicating complex transition Litorina different phases brackish-water inflow. lithology,...
In proglacial landscapes, such as western Greenland, eolian transport plays an important role for the influx of particulate material to lakes. On basis analysis a sediment profile and surface sediments from several lakes, we show that activity has strong influence on deposition in time space. Principal component revealed accumulated during periods with high were enriched zirconium—originating coarse silt sand fractions preferentially transported by wind—and depleted rubidium. addition,...
Mineral magnetic measurements were carried out on twelve sediment cores from the northwestern part of Baltic Proper. The purpose was to use properties correlate sequences and investigate changes in depositional conditions (e.g. rate sedimentation redox conditions). A general lithostratigraphy consisting five units established based mainly mineral properties. Sediment has been deposited time Ice Lake (before 10 300 14 C years BP) present, i.e. since Late Weichselian deglaciation. Five also...