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Martin W. Miles
Bjerknes Centre for Climate Research
44Publications
17H-index
1,822Citations
Publications 45
Newest
#1Martin W. MilesH-Index: 17
#2Victoria Miles (Remote Sensing Center)H-Index: 5
Last.Igor Esau (Remote Sensing Center)H-Index: 22
view all 3 authors...
Satellite studies using the normalized difference vegetation index (NDVI) have revealed changes in northern Eurasian vegetation productivity in recent decades, including greening in tundra and browning in the boreal forests. However, NDVI trends and relationships to climate depend on the temporal and spatial sampling, data and methods, underscoring the complexity of understanding the variability of vegetation productivity. Here utilizing Moderate Resolution Imaging Spectrometer (MODIS) data (200...
Source
#1Camilla S. Andresen (Geological Survey of Denmark and Greenland)H-Index: 15
#2Ulla Kokfelt (Geological Survey of Denmark and Greenland)H-Index: 15
Last.David Wangner (Geological Survey of Denmark and Greenland)H-Index: 1
view all 9 authors...
The early 2000s accelerated ice-mass loss from large outlet glaciers in W and SE Greenland has been linked to warming of the subpolar North Atlantic. To investigate the uniqueness of this event, we extend the record of glacier and ocean changes back 1700 years by analyzing a sediment core from Sermilik Fjord near Helheim Glacier in SE Greenland. We show that multidecadal to centennial increases in alkenone-inferred Atlantic Water SSTs on the shelf occurred at times of reduced solar activity duri...
3 CitationsSource
#1Ola M. JohannessenH-Index: 35
Last.Martin W. Miles (Bjerknes Centre for Climate Research)H-Index: 17
view all 4 authors...
Arctic amplification of temperature change is theorised to be an important feature of the Earth’s climate system. For observational assessment and understanding of mechanisms of this amplification, which remain uncertain, thorough and detailed analyses of surface air temperature (SAT) variability and trends in the Arctic are needed. Here we present an analysis of Arctic SAT variability in comparison with mid-latitudes and the Northern Hemisphere (NH), based on an advanced SAT dataset – NansenSAT...
19 CitationsSource
#1Igor EsauH-Index: 22
#2Victoria MilesH-Index: 5
Last.Anna KurchatovaH-Index: 1
view all 5 authors...
Abstract. Exploration and exploitation of oil and gas reserves of northern West Siberia has promoted rapid industrialization and urban development in the region. This development leaves significant footprints on the sensitive northern environment, which is already stressed by the global warming. This study reports the region-wide changes in the vegetation cover as well as the corresponding changes in and around 28 selected urbanized areas. The study utilizes the normalized difference vegetation ...
21 CitationsSource
#1Victoria Miles (Remote Sensing Center)H-Index: 5
#2Martin W. Miles (Bjerknes Centre for Climate Research)H-Index: 17
Last.Ola M. Johannessen (Remote Sensing Center)H-Index: 35
view all 3 authors...
3 CitationsSource
#1Kenneth F. Drinkwater (Bjerknes Centre for Climate Research)H-Index: 14
#2Martin W. Miles (Bjerknes Centre for Climate Research)H-Index: 17
Last.Yu. Guz (Bjerknes Centre for Climate Research)H-Index: 122
view all 7 authors...
Abstract This paper examines the multidecadal variability in the northern North Atlantic and the Arctic. Observations, modeling and paleo data provide evidence of a strong link between the atmospheric and physical oceanographic variability in these northern regions with Atlantic sea surface temperatures farther south as expressed by the Atlantic Multidecadal Oscillation (AMO). Air and sea temperatures over the past 100–150 years reveal cool periods in the late 1800s to early 1900s and in the 197...
44 CitationsSource
#1Martin W. Miles (CU: University of Colorado Boulder)H-Index: 17
#2Dmitry Divine (University of Tromsø)H-Index: 21
Last.Astrid E. J. Ogilvie (CU: University of Colorado Boulder)H-Index: 20
view all 6 authors...
Satellite data suggest an Arctic sea ice-climate system in rapid transformation, yet its long-term natural modes of variability are poorly known. Here we integrate and synthesize a set of multicentury historical records of Atlantic Arctic sea ice, supplemented with high-resolution paleoproxy records, each reflecting primarily winter/spring sea ice conditions. We establish a signal of pervasive and persistent multidecadal (~60–90 year) fluctuations that is most pronounced in the Greenland Sea and...
60 CitationsSource
#1Martin W. Miles (CU: University of Colorado Boulder)H-Index: 17
#2Dmitry Divine (University of Tromsø)H-Index: 21
Last.Astrid E. J. Ogilvie (CU: University of Colorado Boulder)H-Index: 20
view all 6 authors...
3 CitationsSource
AbstractPetermann Glacier is a marine-terminating outlet glacier that had a 70 km-long floating ice tongue prior to a∼270 km2 calving event that was observed from satellite sensors in August 2010, shortening the ice tongue by∼27 km. Further, in July 2012, another 10 km was lost through calving. In order to understand these events in perspective, here the authors perform a long-term data analysis of Petermann Glacier calving-front variability and ice velocity for each year in the 1990s-2000s, sup...
4 CitationsSource
#1Helene Frigstad (Geophysical Institute, University of Bergen)H-Index: 6
#2T. Lykke Andersen (University of Oslo)H-Index: 53
Last.Richard G. J. BellerbyH-Index: 31
view all 9 authors...
Abstract A 20-year time series from the Norwegian Coastal Current was explored to examine the effects of advected nutrient supply from the southern North Sea and of large-scale climate variability on hydrography, nutrients and particulate organic matter (seston), focusing on trends in the January to April period in the upper layers (0–30 m). The interannual variability in hydrography, nutrients and seston was correlated with the NAO index, mostly through the inflow of nutrient-rich waters from t...
25 CitationsSource
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