Results 111 to 120 of about 6,949,089 (340)

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

The role of surface roughness, albedo, and Bowen ratio on ecosystem energy balance in the Eastern United States [PDF]

open access: yes, 2018
Land cover and land use influence surface climate through differences in biophysical surface properties, including partitioning of sensible and latent heat (e.g., Bowen ratio), surface roughness, and albedo.
Bonan, Gordon   +7 more
core   +2 more sources

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

Dependence of surface albedo on snow cover duration and other snow parameters in Estonia

open access: yesMeteorologische Zeitschrift, 1995
The duration of snow cover, the state of surface, and the albedo in late winter to early spring are studied as climatic factors. A linear dependence of the surface albedo on the duration of snow cover has been found from the data recorded at Tartu ...
Heino Tooming
doaj   +2 more sources

Solar Radiation Partitioning and Surface Albedo Parameterization in the Hinterland of Taklimakan Desert

open access: yesAdvances in Meteorology, 2019
Surface albedo is one of the key parameters of land surface radiation and energy balance. As surface albedoes for visible and near-infrared solar radiation are quite different, solar radiation partitioning is important to parameterize the total surface ...
Chunlei Meng, Huoqing Li
doaj   +1 more source

Time Series High-Resolution Land Surface Albedo Estimation Based on the Ensemble Kalman Filter Algorithm

open access: yesRemote Sensing, 2019
Continuous, long-term sequence, land surface albedo data have crucial significance for climate simulations and land surface process research. Sensors such as the Moderate-Resolution Imaging Spectroradiometer (MODIS) and Visible Infrared Imaging ...
Guodong Zhang   +5 more
doaj   +1 more source

The albedo of snow for partially cloudy skies [PDF]

open access: yes
The input parameters of the model are atmospheric precipitable water, ozone content, turbidity, cloud optical thickness, size and shape of ice crystal of snow and surface pressure.
Chang, A. T. C., Choudhury, B. J.
core   +1 more source

Using dendroclimatic analysis of exotic deciduous conifers in an arboretum to document tree growth in response to climate change, Northeast Ohio, USA

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Rising temperatures and wetter conditions in the Midcontinent of North America are influencing climate responses in trees. Dendroclimatological analyses of four exotic deciduous conifer species from Secrest Arboretum, Northeast Ohio help identify past, present and future climate‐tree interactions.
Gregory Wiles   +6 more
wiley   +1 more source

Evaluation of Arctic land snow cover characteristics, surface albedo and temperature during the transition seasons from regional climate model simulations and satellite data [PDF]

open access: yes, 2014
This paper evaluates the simulated Arctic land snow cover duration, snow water equivalent, snow cover fraction, surface albedo and land surface temperature in the regional climate model HIRHAM5 during 2008-2010, compared with various satellite and ...
Dethloff, Klaus   +8 more
core   +2 more sources

Physically consistent mesoscale model evaluation in complex terrain

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
This study introduces a novel approach for evaluating mesoscale atmospheric models in complex terrain by selecting physically consistent grid points and applying height‐based corrections. The method corrects for sensor height and terrain elevation differences between model and observations using a time‐varying lapse rate.
Gaspard Simonet   +2 more
wiley   +1 more source

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