A5085189718- Geophysics and Gravity Measurements
- Oceanographic and Atmospheric Processes
- Climate variability and models
- Arctic and Antarctic ice dynamics
- Marine and coastal ecosystems
- Methane Hydrates and Related Phenomena
- Tropical and Extratropical Cyclones Research
- IPv6, Mobility, Handover, Networks, Security
- Reservoir Engineering and Simulation Methods
- Software System Performance and Reliability
- Coastal and Marine Management
- Maritime Navigation and Safety
- Internet Traffic Analysis and Secure E-voting
- Marine Bivalve and Aquaculture Studies
- Network Security and Intrusion Detection
- Scientific Research and Discoveries
- Atmospheric and Environmental Gas Dynamics
- Geology and Paleoclimatology Research
- Anomaly Detection Techniques and Applications
- Network Traffic and Congestion Control
Universität Hamburg
2012-2022
Infektionsmedizinisches Centrum Hamburg
2021
Network Technologies (United States)
2019
National Institute of Standards and Technology
2019
University of Washington
2007-2010
A major challenge for managing impacts and implementing effective mitigation adaptation strategies coastal zones affected by future sea level (SL) rise is our very limited capacity to predict SL change on scales, over various timescales. Predicting requires the ability monitor simulate a multitude of physical processes affecting SL, from local effects wind waves river runoff remote influences large-scale ocean circulation coast. Here we assess current understanding causes variability...
Abstract Subsurface temperature trends in the better-sampled parts of World Ocean are reported. Where there sufficient observations for this analysis, is large spatial variability 51-yr upper ocean, with some regions showing cooling excess 3°C, and others warming similar magnitude. Some 95% ocean area analyzed has both cooled warmed over 20-yr subsets period. There much space time running trend estimates, indicating that a decade or two may not be representative longer-term trends. Results...
Abstract Regional sea surface height variability due to internal climate fluctuations is estimated using preindustrial control runs of 21 models from phase 5 the Coupled Model Intercomparison Project (CMIP5). Projected level trends representative concentration pathway 4.5 (RCP4.5) scenario for 20-, 50-, and 100-yr intervals grow being largely dominated by on shorter time scales dominant signal long scales. The calculating overlapping various regional run output each model. When compared...
Abstract Several existing statistical and dynamical reconstructions of past regional sea level variability trends are compared with each other tide gauges over the 48 year period 1960–2007, partially predating satellite altimetry era. Evaluated were built from tide‐gauge data (TGR), ocean assimilation (ODA) approaches. Although most TGRs yield global‐mean time series deviating within only ±0.1 mm yr −1 , spatial anomalies deviate substantially between altimetry. In contrast, match observed...
Abstract There is great interest in World Ocean temperature trends, yet the historical global ocean database has very uneven coverage space and time. Previous work on 50-yr upper trends from NOAA data archive extended here. Trends at depths 50 to 1000 m are examined, based observations gridded over larger regions than earlier study. Despite use of grid boxes, most does not have significant 90% confidence level (CL). In fact only 30% CL percentage decreases significantly with increasing...
Abstract Regional interdecadal variability, on subbasin to basin scales, is shown be a robust feature of the post–World War II (WWII) historical temperature record, even after recently proposed bias correction XBT fall rates applied. This study shows that previously reported strong regional variability generally unaffected by this correction, though in most published estimates global ocean heat content much reduced Following methods used previous trend analysis work, trends are calculated...
<p>Coastal impacts of climate change and the related mitigation adaptation needs requires assessments future sea-level changes. Following a common practice in coastal engineering, probabilistic projections have been proposed for at least 20 years. This probability model to represent uncertainties rise, which is not achievable because potential ice sheets mass losses remain poorly understood given knowledge available today. Here, we apply principles extra-probabilistic theories...