Niels Bohr Institute

MSc theses by PICE

Masters

Jade Omotoyosi Nina Brauns

Title: Investigating the dynamics of cusp bifurcations: A conceptual model for glacial-interglacial cycles

Supervisor: Peter Ditlevsen

Yannick Elias Heiser

Title: The role of grain size on ice properties and deformation

Supervisors: Anders Svensson

Dan Friis Tømmerby Jensen

Title: Numerically Modelling of the Seismic Responses from Fractures Inserted into a Caprock

Supervisor: Klaus Mosegaard

Rebekka Johansen

Title: A Diachronic Study of the Polar Front in the North Atlantic Region & it’s Connection to the North Atlantic Oscillation

Supervisors: Jens Hesselbjerg Christensen and Aksel Walløe Hansen

Bettina Loy

Title: Tests investigating potential implementation of oxygen isotope measurements in continuous flow analyses

Supervisors: Thomas Blunier and Ida Lager (SLU)

Mads Lundsgaard Andersen

Title: Sensitivity of winter climatic conditions in Europe to various surface forcing in the EC-Earth model

Supervisor: Jens Hesselbjerg Christensen

Marie Cecilie Boysen

Title: The EGRIP Dustprofile: Investigating dust content of 40,000 year old Greenland ice.

Supervisors: Helle Astrid Kjær and Anders Svensson

Jesper Ejlebæk Holm

Title: Firn-air Modelling in the Community Firn Model

Supervisors: Vasileios Gkinis and Michael Döring

Atlas Lundbergh Varsted

Title: Predicting albedo in Greenland using Machine Learning

Supervisor: Aslak Grinsted

Niels Schøtt Hvidberg

Title: Anatomy of Abrupt Climate Change

Supervisors: Sune Olander Rasmussen og Aslak Grinsted.

Bianca Eline Sandvik

Title: Impact of Wind Turbines on Local and Regional Winds Across Denmark

Supervisors: Eigil Kaas and Harald Rieder (BOKU, Wienna)

Maiken Kristiansen Revheim

Title: Greenland Ice Sheet Surface Water Vapour Fluxes from Automatic Weather Station Records. - A Study of Surface Water Vapour Fluxes in a Changing Climate

Supervisors: Christine S. Hvidberg, Jason Box (GEUS)

Andrea Vang

Title: Linking Large Scale Atmospheric Modes of Variability with Fluctuations in the Atlantic Ocean

Supervisor: Jens Hesselbjerg Christensen

Matea Elise Marinkovic

Thesis Title: Tropical Cyclones in the Southwest Indian Ocean and Their Impacts on Vanilla Cultivation in Madagascar

Supervisor: Jens Hesselbjerg Christensen

Rasmus Ranum Hansen

Title: Solving the turbulence closure problem II: Determining the deep ocean stratification

Supervisor: Markus Jochum

Alfred Bendtzon Hansen

Title: Multistability and tipping points in very high-dimensional systems and implications for abrupt climate change

Supervisors: Peter Ditlevsen and Johannes Lohmann

Alicja Barbara Kalucka

Title: Reservoir computer-based detection of AMOC tipping

Supervisors: Peter Ditlevsen, Henk Dijkstra

Alicja Kalucka

Title: Reservoir computer-based detection of AMOC tipping

Supervisors: Peter Ditlevsen and Henk Dijkstra

Lana Zupancic

Title: Shallow Subsurface Imaging: A Geophysical Investigation using Integrated Methods

Supervisors: Mohammad Youssof and Klaus Mosegaard

Bjarke Brask Nielsen

Title: Propagtion of blobs in NORTH - A study of NORTH Using Langmuir probes

Supervisors: Peter Ditlevsen, Stefan Kragh Nielsen

Jonas Dornonville de la Cour

Title: A Massively Parallel Lockstep Pipeline For Full Isomerspace Optimisation

Supervisors: Markus Jochum and James Avery

Anna Maria Klüssendorf

Title: Bipolar Phasing of Abrupt Climate Change During the Last Glacial Period

Supervisor: Anders Svensson

Anna Ida Katharina Kirchner

Title: North Atlantic Circulation Variability and Teleconnections to Surface Climate Conditions in CMIP6 Models

Supervisor: Jens Hesselbjerg Christensen

Anna Puggard

Title: Greenland snow accumulation estimates from Sentinel-1

Supervisor: Aslak Grinsted

Jon Arrizabalaga Iriarte & Lide Lejonagoitia Garmendia

Master's project: Firn densification under arbitrary stresses

Supervisors: Aslak Grinsted, Christine S. Hvidberg, Nicholas M. Rathmann

Ngo Ying Lo

Title: The Need for Speed - An Investigation of bottlenecks towards optimization of EC-Earth3-HR (on CRAY XC50)

Supervisor: Jens Hesselbjerg Christensen

Emma Karin Lyeteg Lund

Embodying Systems Thinking: An in-depth investigation into five climate change-professionals’ experience of Alexander Technique

Supervisors: Lise Tjørring and Anders Svensson

Katharina Scheidt

Title: Modeling Paleotemperatures from Stable Nitrogen Isotopes with the Community Firn Model

Supervisors:Dr. Vasileios Gkinis, Dr. Michael Döring & Dr. Guido Vettoretti

Elloise Jensen Fangel-Lloyd

Title: Fewer storms as a consequence ofclimate change - Decreasing baroclinicity observed in Lorenz energetics and
EOF analyses of climate data

Supervisors: Peter Ditlevsen and Eigil Kaas

Øyvind Andreas Winton

Title: Scientific machine learning for discovering basal dynamics of Greenland outlet glaciers
Supervisors: Aslak Grindsted, Allan P. Engsig-Karup & Sebastian B. Simonsen

Dana Lüdemann

Impact of snow albedo parameterization over the Greenland ice sheet on the simulated climate of EC-Earth3

Supervisor: Eigil Kaas

Helene Pehrsson

Master's project: Greenland in a warmer world: A modelling study of the Greenland ice sheet

Supervisor: Christine Schøtt Hvidberg

Tommaso Ferrari

Integration of Image Data for Improvement of Laser Altimetry of Mars Using Inverse Problems

Supervisor: Klaus Mosegaard

Simon Peter Heselschwerdt

An analysis of the consistency between observed atmospheric winter variability and weather anomalies in the North Atlantic region

Supervisor: Jens H. Christensen

Martin Froelund

Perturbation Methods in Ensemble Weather Forecasts

Supervisor: Peter Ditlevsen

Jacob Henriksen

Title: Improving performance by guiding Monte Carlo Marko Chain sampling

Supervisor: Klaus Mosegaard

Pedro Martínez Saiz

Title: Deterministic wavelet estimation methods in the tie-to-well approach

Supervisor: Klaus Mosegaard

Alexander Friisnæs

Measurements of δ¹⁵N and δ ⁴⁰Ar of NEEM air with oxygen removal from a perovskite membrane

Supervisor: Thomas Blunier

Dina Rapp

Title: Ice Flow and Machine Learning

Supervisors: Christine Schøtt Hvidberg, Anne Munck Solgaard

Yifan Liu

Title: A Physics Driven Approach to Solving Inverse Problem Using Neural Networks

Supervisor: Klaus Mosegaard

Marta Agnieszka Mrozowska

Hitting rock bottom: How the Earth system resists cooling and/or lowering atmospheric CO₂ concentrations during the glacial periods

Supervisor: Markus Jochum

Maliha Shfagat Khan

The role of oceanic signals due to D/O oscillations in the time scale of interhemispheric coupling

Supervisor: Markus Jochum - Co-supervisors: Guido Vettoretti & Roman Nuterman

Laurent Lindpointner

Title: Incorporating a dynamical Greenland Ice Sheet into a Global Climate Model System

Supervisors: Aslak Grinsted, Marianne Sloth Madsen, Shuting Yang

Marta Agnieszka Mrozowska

Title: Hitting rock bottom: How the Earth system resists cooling and/or lowering atmospheric CO2 concentrations during the glacial periods

Supervisor: Markus Jochum

Thea Quistgaard

Title: Laki to Tambora: Signal Restoration and Pattern Recognition in Ultra High Resolution Volcanic and Isotopic Signals

Supervisor: Vasileios Gkinis and James Avery

Niels Nymand

Title: Spectral element and the adjoint method in seismology - Modelling of discontinuous boundaries

Supervisor: Klaus Mosegaard

Maureen Eyers Bøge Jørgensen

Title: Optimizing an O2 extraction system to measure atmospheric d18O in ice core

Supervisor: Thomas Blunier

Rebekka Frøystad

Title: Measuring d18O of atmospheric oxygen for synchronizing ice core records

Supervisor: Thomas Blunier

Jonas Hermann Damsbo

Title: A Case Study of Severe Cloudburst Events in Denmark

Supervisors: Aksel Walløe Hansen, Niels Woetmann Nielsen

Ida Lei Stoustrup

Automated Parameter Tuning for the Versatile Ocean Simulator (VEROS)

Diana Spurzem

Title: Representativity of albedo measurements of Automated Weather Stations in Greenland

Ying Yu

Title: Temperature in Northern Greenland from 1952 to 2019 and Water Isotope Data from the Hans Tausen Ice Cap

Supervisor: Bo Møllesøe Vinther

Kerttu Maria Peensoo

Title: Developing a Method for High Resolution Water Isotope Measurements in Ice Cores

Jose Carlos Lozano Garcia

Title: Regional overestimation of Spain summer temperatures due to Regional Climate Models deficiencies

Supervisor: Jens Hesselbjerg Christensen

José David Calderón Peña

Title: Marine heatwaves analysis thru climate models based on the CMIP5 program and observational data

Supervisor: Jens Hesselbjerg Christensen

Ruth Julia Ladwig

Community Earth System Model climate under Last Glacial Maximum boundary conditions

Ella Jacobsen

Analysis of spatiotemporal patterns of plastics in the Baltic Sea

David Aaron Soestmeyer

Local temperature reconstruction from gas trapping processes in the Dye 3 ice core from Greenland

Lara Möllney

Patterns of Dust-borne Iron Fertilization at the Last Glacial Maximum

Ann-Sofie Priergaard Zinck

Surface velocity and ice thickness of the Müller ice cap, Axel Heiberg Island

Lilja Dahl

Source-Apportionment of Non-Methane Volatile Organic Compounds, Halogenated Species and Non-CO₂ Greenhouse Gases at Mt. Cimone (Italy) by applying Positive Matrix Factorization with a Lifetime Correction Method

Falk Oraschewski

Modelling of firn densification in the presence of horizontal strain rates

Wiebke Margitta Kolbe

Testing the usage of neural networks in the shortwave radiation parameterization of the WRF model

Margaret Mallory Harlan

Title: Continuous flow analysis of the Dye 3 ice core: New data from old ice

Steffen Kristiansen

Title: Quantification of bipolar volcanic eruptions during the last glacial period (12-60 ka) based on Greenland and Antarctic ice cores

Kasper Tølløse

Development and implementation of a neural network based PBL turbulence parameterization scheme

Janani Venkatesh

An improved Gas-CFA system for methane measurements and preliminary results from the Dye-3 ice core

Laurits S. Andreasen

Time scales of the Bipolar seesaw: The role of oceanic cross-hemisphere signals, Southern Ocean eddies and wind changes

Estelle L. Ngoumtsa

A new reconstruction of climatic impurities in the Sub-Antarctic region - Continuous Flow Analysis of the SubICE firn cores: Mertz, Siple, Bouvet, Peter-First, Young

Steffen Ole Randrup Kristensen

Extending the Veros climate simulator with biochemistry - Model design and AMOC collapse

Floriane Océane Sudre

Sensitivity to Friction Changes: the Case of an Idealized Gullmarn Fjord

Mirjam Martina Läderach

Continuous flow analysis on EastGRIP ice core: Optimization of optical dye method and results from acidity measurements on the EastGRIP ice core

Michelle Shu-Ting Lee

Climate proxies based on the NEEM ice core for the Holocene period 4000-7000 years B2K: An integrated CFA and IEC method for the NEEM brittle zone

Olga Lia Dimopoulou

Observations of Turbulent Dynamics in the Baltic Sea

Dóra Kovács

Title: Characterizing the ice-ocean interaction at the Upernavik Glacier using in-situ and satellite observations

Sonja Wahl

Title: Holocene Climate and Ice Flow of the Renland Ice Cap

Peder Heiselberg

The effect on Agulhas Rings by the Southern Ocean wind stress

Thomas Søndergaard Eriksen

Determining the driving processes of the Atlantic Meridional Overturning Circulation from CCSM data

Dion Häfner

Frictional Control of Cross-Equatorial Flow

Søren Borg Nielsen

On The Arctic Temperature Bias in a Climate Model and its Cause

Elin Svensson

Reconstruction of Monthly Mean SST Fields for the Baltic Sea, 1883-2011

Mika Lanzky

Title: Ice core data from Renland - Investigation of firn cores, main cores and evaluation of isotope-enabled GCMs for Renland

Johanne Kristine Bork Øelund

Eddy fluxes in the Norwegian Current

Mads Bruun Poulsen

The Sensitivity of the Southern Ocean Circulation to Local Wind Stress Forcing in a Coarse Resolution Coupled GCM

Jonathan Winfield Rheinlænder

Interhemispheric climate variability in a pre-industrial control simulation of CCSM4

Charlotte Ditlevsen

Title: Electrical Conductivity Measurements (ECM) of Greenland ice cores

Ida Margrethe Ringgaard

The impact of near-inertial waves on the Arctic halocline

Turid Lakså

Inertial resonance in the ocean mixed layer

Yongbiao Weng

Title: Continuous Flow and Discrete Measurements of the Water Isotopes in an Firn Core from Greenland

Jonas A. Haller

Title: Carbon isotopes of methane during the Medieval Climate Anomaly

Lars Guski

Title: Dating of NEEM core from visual stratigraphy

Christopher Stowasser

A novel laser-based technique for continuous measurements of methane concentrations from deep ice cores

Peter Sperlich

Title: Analysis of trace elements in snow pits from Dronning Maud Land, Antarctica

Søren Wedel Nielsen

Title: Registrering af visuel stratigrafi i NGRIP iskernen

Maiken Lolck

Title: Klima, Kold Krig og Iskerner