Results 91 to 100 of about 1,039,287 (292)

Comparison of Spring Phenology from Solar-Induced Chlorophyll Fluorescence, Vegetation Index, and Ground Observations in Boreal Forests

open access: yesRemote Sensing
Spring phenology (start of growing season, SOS) in boreal forests plays a crucial role in the global carbon cycle. At present, more and more researchers are using solar-induced chlorophyll fluorescence (SIF) to evaluate the land surface phenology of ...
Dandan Shi   +5 more
doaj   +1 more source

Spring Phenological Records at Edmonton, Alberta

open access: yesThe Canadian field-naturalist, 1960
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

Parasitoid insects unveil complex patterns of functional change across elevational bands

open access: yesEcography, EarlyView.
Climate change is rapidly reshaping how insects interact with their environment, potentially disrupting ecosystem complexity and essential functioning. While functional homogenisation has been extensively investigated for charismatic insect taxa, particularly pollinators, the response of parasitoids remains largely overlooked.
Michela Gabrieli   +4 more
wiley   +1 more source

Smart Sensor‐Integrated Lysimeter System for Affordable on‐Farm Crop Water Monitoring and Irrigation Management

open access: yesIrrigation and Drainage, Volume 75, Issue 4, Page 1494-1505, Otober 2026.
ABSTRACT Accurate monitoring of crop water use is critical for precision irrigation, yet conventional lysimeter systems remain too costly and complex for widespread adoption. This study presents the development and field validation of a low‐cost, information and communication technology (ICT)‐enabled weighing lysimeter system that integrates load cells,
Stephen Okwang, Younggu Her, Taeil Jang
wiley   +1 more source

A Review of Plant Phenology in South and Central America

open access: yes, 2013
Phenology has established its status as an integrative environmental science and as a key component for climate change research. We aim to present a review of phenological research in South and Central America.
L. Patrícia C. Morellato   +5 more
core   +1 more source

Machine Learning‐Based Estimation of Reference Evapotranspiration and Crop Coefficients for Wheat Under Diverse Climatic Conditions

open access: yesIrrigation and Drainage, Volume 75, Issue 4, Page 1574-1591, Otober 2026.
ABSTRACT Accurate estimation of reference evapotranspiration (ET0) and crop coefficients (Kc) is critical for irrigation planning, particularly in data‐limited regions where agriculture dominates freshwater consumption. Although machine learning (ML) methods have been widely applied to ET0 and Kc estimation, most studies address these parameters ...
Ilker Angin   +4 more
wiley   +1 more source

Decreasing temperature sensitivity of spring phenology decelerates the advance of spring phenology in northern temperate and boreal forests

open access: yesEcological Indicators
The start of the growing season (SOS) plays a pivotal role in the intricate interplay between climate and terrestrial ecosystems. Since the late 1990 s, a slowdown in SOS advancing trend has been documented across numerous regions in the Northern Hemisphere.
Tao Xiong   +3 more
openaire   +2 more sources

Remote Sensing for Irrigation Water Management—The State of the Art and Prospects for Near‐Future Operations

open access: yesIrrigation and Drainage, EarlyView.
ABSTRACT A recent UN report describes many regions as facing ‘water bankruptcy,’ a condition in which available water resources can no longer meet existing demands. In practice, this means irrigation will likely bear the greatest burden of future water‐use reductions, a complicated and fraught decision to make given its critical role in food security ...
Wim G. M. Bastiaanssen   +30 more
wiley   +1 more source

Downscaling of Temperatures Over the Eastern Mediterranean for the 21st Century

open access: yesInternational Journal of Climatology, EarlyView.
We developed an analogue‐based statistical downscaling method, using a K‐nearest‐neighbour framework, to project daily maximum temperature (Tmax) and minimum temperature (Tmin) at 32 homogenized meteorological stations. Late twenty‐first‐century (2080–2100) temperature projections obtained using the method, show robust warming across all stations and ...
Anton Gelman   +4 more
wiley   +1 more source

Spatiotemporal variation of spring phenology and the corresponding scale effects and uncertainties: A case study in southwestern China

open access: yesInternational Journal of Applied Earth Observations and Geoinformation
Understanding terrestrial vegetation phenology—the timing of life-cycle events—is crucial for insights into ecosystem energy and material cycles. Land surface phenology (LSP) derived from satellite observations has become a critical tool for tracking ...
Chongjing Zhu   +8 more
doaj   +1 more source

Home - About - Disclaimer - Privacy