Results 171 to 180 of about 548,551 (312)

Seasonal Snow Extent and Snow Mass in South America using SMMR and SSM/I Passive Microwave Data (1979-2006) [PDF]

open access: yes
Seasonal snow cover in South America was examined in this study using passive microwave satellite data from the Scanning Multichannel Microwave Radiometer (SMMR) on board the Nimbus-7 satellite and the Special Sensor Microwave Imagers (SSM/I) onboard ...
Chiu, L.   +3 more
core   +1 more source

Subsurface Investigations of Cryo‐Hydrogeological Features in a High Arctic Catchment Under Transition

open access: yesPermafrost and Periglacial Processes, EarlyView.
ABSTRACT In this study, the internal structure and seasonal variations of cryo‐hydrogeological features were investigated in the Fuglebekken catchment, located near the Polish Polar Station Hornsund in Svalbard. Over a few years, rising air temperatures and intensified water circulation have significantly altered the distribution, extent, and state of ...
Wawrzyniak Tomasz   +3 more
wiley   +1 more source

Effects of Surface Characteristics on the Existence of Isolated Permafrost in Northeastern Mongolia

open access: yesPermafrost and Periglacial Processes, EarlyView.
ABSTRACT Isolated patches of permafrost, where ground thermal changes are affected by ecosystem factors such as vegetation cover rather than climate, may be vulnerable to environmental disturbances in semiarid regions. However, the impacts of ecosystem factors remain underevaluated in Mongolia.
Gansukh Yadamsuren   +9 more
wiley   +1 more source

Observations of the snow cover in the southern part of the Buryat Autonomous Soviet Socialist Republic [PDF]

open access: yes
The characteristics of the snow cover, as a function of various natural factors, in sectors of the southern part of the Buryat Autonomous Soviet Socialist Republic were examined.
Nefedeva, Y. A.
core   +1 more source

How digitisation of herbaria reveals the botanical legacy of the First World War

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Digitisation of herbarium collections is bringing greater understanding to bear on the complexity of narratives relating to the First World War and its aftermath – scientific and societal. Plant collecting during the First World War was more widespread than previously understood, contributed to the psychological well‐being of those involved and ...
Christopher Kreuzer, James A. Wearn
wiley   +1 more source

Remote sensing of global snowpack energy and mass balance: In-situ measurements on the snow of interior and Arctic Alaska [PDF]

open access: yes
Observations led to a study of the physical properties of snow and the processes which operate on it. These observations included microwave brightness temperatures in interior Alaska which revealed: (1) up to three times more variability from one cell (1/
Benson, Carl S.
core   +1 more source

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