Results 211 to 220 of about 528,239 (235)

Improved mapping of Arctic fractional land cover and land cover change from multi-resolution optical remote sensing.

open access: yesRemote Sens Environ
Zhu X   +9 more
europepmc   +1 more source

Patterns and Trends in Southern Ontario Lake ice Phenology

Environmental Monitoring and Assessment, 2003
An analysis is presented of 46 ice break up and 15 ice free season phenology data series obtained largely through volunteer monitoring efforts in Southern Ontario. Observations spanned the years 1853-2001. Available data included dates of ice formation and ice break up as well as the number of ice free days in a year.
Martyn N. Futter
exaly   +3 more sources

Climatic effects on ice phenology and ice-jam flooding of the Athabasca River in western Canada

Hydrological Sciences Journal, 2019
ABSTRACTIn cold region environments, any alteration in the hydro-climatic regime can have profound impacts on river ice processes.
Karl-Erich Lindenschmidt   +2 more
exaly   +2 more sources

Approximating Lake Ice Phenology with Satellite Surface Temperature Data

2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS, 2021
Studies of lake ice phenology have historically relied on limited in situ data. Satellite-derived temperature data provide an opportunity to better understand the climatological factors and trends behind ice phenology. Here we developed a model that uses daytime and nighttime surface temperature observations from the Moderate Resolution Imaging ...
Sophia Karina Skoglund   +6 more
openaire   +2 more sources

Lake ice phenology changes in the northern hemisphere

2021
<p>Lake-ice phenology is an essential indicator of climate change impact for different regions (Livingstone, 1997; Duguay, 2010), which helps understand the regional characters of synchrony and asynchrony. The observation of lake ice phenology includes ground observation and remote sensing inversion. Although some lakes have been observed
Yubao Qiu   +4 more
openaire   +1 more source

Lake Ice Phenology

2009
In Chapter 5 of this book, it is shown that the formation of ice on the surface of a lake (‘ice-on’) and its thawing and ultimate disappearance (‘ice-off’) are complex phenomena governed by mechanisms that involve many interacting meteorological (and some non-meteorological) forcing factors. Linking ice phenology – the timing of ice-on and ice-off – to
Livingstone, David M.   +4 more
openaire   +3 more sources

Shortening ice seasons and changing phenology affect under-ice lake thermal dynamics

2023
Temperate lakes worldwide are losing ice cover but the implications for under-ice thermal dynamics are poorly constrained. Using a 90-year record of ice phenology from a temperate lake, we examined trends, variability, and drivers of ice phenology. The onset of ice formation decreased by 23 days century-1 which can be largely attributed to warming air ...
Isabella Oleksy, David Richardson
openaire   +1 more source

Sea ice phenology and timing of primary production pulses in the Arctic Ocean

Global Change Biology, 2012
AbstractArctic organisms are adapted to the strong seasonality of environmental forcing. A small timing mismatch between biological processes and the environment could potentially have significant consequences for the entire food web. Climate warming causes shrinking ice coverage and earlier ice retreat in the Arctic, which is likely to change the ...
Rubao, Ji, Meibing, Jin, Øystein, Varpe
openaire   +2 more sources

Investigating Lake Ice Phenology in Tibetan Plateau Using Satellite Data

IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019
Lake ice phenology are considered as a sensitive indicator of global warming. In Tibetan Plateau (TP), differences exist in identifying lake ice phenology using remote sensing data because of the limited ground observation and difference in the sources of remote sensing and the available algorithms. In this study, four methods based on different remote
Linan Guo, Yanhong Wu
openaire   +1 more source

MODIS-observed variations of lake ice phenology in Xinjiang, China

Climatic Change, 2019
Lakes sensitively respond to global and regional climate change, especially in arid areas. Using Moderate Resolution Imaging Spectroradiometer (MODIS) daily snow products, the lake ice phenology of 23 lakes in the Xinjiang Uygur Autonomous Region of China from 2001 to 2018 was extracted based on thresholds of ice/water pixel numbers, and their change ...
Yu Cai   +3 more
openaire   +1 more source

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