Results 71 to 80 of about 48,829 (304)

Major trends in the land surface phenology (LSP) of Africa, controlling for land-cover change [PDF]

open access: yesInternational Journal of Remote Sensing, 2018
Monitoring land surface phenology (LSP) trends is important in understanding how both climatic and non-climatic factors influence vegetation growth and dynamics. Controlling for land-cover changes in these analyses has been undertaken only rarely, especially in poorly studied regions like Africa.
Tracy Adole   +2 more
openaire   +4 more sources

The effect of trait choice on hybrid species distribution model projections under climate change

open access: yesEcography, EarlyView.
Species distribution models (SDMs) have been increasingly combined with thermal performance data to enhance their transferability and to provide a physiological explanation for the predicted geographic patterns. Yet, while it is widely acknowledged that thermal sensitivities may vary among biological traits, it remains largely unexplored to what extent
Soria Delva   +7 more
wiley   +1 more source

Observational evidence for the convective transport of dust over the central United States [PDF]

open access: yes, 2016
Bulk aerosol composition and aerosol size distributions measured aboard the DC-8 aircraft during the Deep Convective Clouds and Chemistry Experiment mission in May/June 2012 were used to investigate the transport of mineral dust through nine storms ...
Anderson, B. E.   +15 more
core   +3 more sources

From distant shores to an emerging island: the role of surface and subsurface transport in modeling seed dispersal

open access: yesEcography, EarlyView.
Long‐distance seed dispersal by ocean currents plays a critical role in structuring coastal plant communities. As direct observations of this phenomenon are infeasible, numerical modeling is a valuable tool. Here, we use Lagrangian particle tracking to examine the colonization of the newly forming island Norderoogsand (German Bight, Wadden Sea) by five
Jakob Rahner   +4 more
wiley   +1 more source

Toxicological Evaluation of the Undesirable Components in Processed Infant Foods Using Artificial Intelligence

open access: yesFuture Postharvest and Food, EarlyView.
The detection of toxins in baby food using artificial intelligence. ABSTRACT Infant foods and baby formulas are becoming increasingly popular across the globe owing to their ease of consumption and nutritional value specific to infants. Impurities may find their way into the food chain at any point from the acquisition of raw materials to final ...
Poornima Singh   +3 more
wiley   +1 more source

Climate-driven land surface phenology advance is overestimated due to ignoring land cover changes

open access: yesEnvironmental Research Letters, 2023
Global warming has led to earlier spring green-up dates (GUDs) in recent decades with significant consequences for global carbon and hydrologic cycles. In addition to changes in climate, land cover change (LCC), including interchanges between vegetation ...
Yuhao Pan   +18 more
doaj   +1 more source

Budburst Protocol [PDF]

open access: yes, 2003
The purpose of this resource is to observe budburst on selected trees at a Land Cover or Phenology Site. All students will learn about hummingbird natural history and ecology.
The GLOBE Program, University Corporation for Atmospheric Research (UCAR)
core  

Upside-down fluxes Down Under: CO2 net sink in winter and net source in summer in a temperate evergreen broadleaf forest [PDF]

open access: yes, 2018
Predicting the seasonal dynamics of ecosystem carbon fluxes is challenging in broadleaved evergreen forests because of their moderate climates and subtle changes in canopy phenology.
Barton, Craig V. M.   +12 more
core   +3 more sources

Hidden Markov Quantile Models With Trends for Analysing Air Temperature Data

open access: yesInternational Journal of Climatology, EarlyView.
There is the question of whether climate change, expressed by time‐trends in temperature, is of a heterogeneous nature or not. Here, the time‐trend heterogeneity argument has been investigated using Hidden Markov (HM) quantile time‐trends models in temperature time series.
Georgios Tsiotas   +2 more
wiley   +1 more source

Variability of phenology and fluxes of water and carbon with observed and simulated soil moisture in the Ent Terrestrial Biosphere Model (Ent TBM version 1.0.1.0.0) [PDF]

open access: yesGeoscientific Model Development, 2015
The Ent Terrestrial Biosphere Model (Ent TBM) is a mixed-canopy dynamic global vegetation model developed specifically for coupling with land surface hydrology and general circulation models (GCMs).
Y. Kim   +4 more
doaj   +1 more source

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