Results 51 to 60 of about 812,351 (250)

Elliptic Fourier analysis as a tool for the taxonomic identification of isolated theropod pedal phalanges

open access: yesThe Anatomical Record, EarlyView.
Abstract Studies of Upper Cretaceous deposits in North America have provided invaluable insights into the continental ecosystems of this time. Theropod (Saurischia, Dinosauria) pedal phalanges are commonplace in these deposits but can be difficult to identify at a finer taxonomic resolution.
Trystan M. Warnock‐Juteau   +2 more
wiley   +1 more source

Understanding the El Niño Costero of 2017: The Definition Problem and Challenges of Climate Forecasting and Disaster Responses

open access: yesInternational Journal of Disaster Risk Science, 2017
This preliminary study examines the definition problem and challenges of climate forecasting and disaster responses associated with the El Niño costero (coastal) of 2017, which developed rapidly with no warning and had catastrophic effects in Peru.
Ivan J. Ramírez, Fernando Briones
doaj   +1 more source

News from Academy Bay [PDF]

open access: yes, 1985
One Hundred and Fifty Years Ago. The Great Fire on Isabela. Campaign for a CDF Endowment Fund. The Extraordinary Consequences of the Extraordinary El Niño.

core  

Western Pacific oceanic heat content: a better predictor of La Niña than of El Niño [PDF]

open access: yes, 2018
The western equatorial Pacific oceanic heat content (Warm Water Volume in the west or WWVW) is the best El Niño–Southern Oscillation (ENSO) predictorbeyond1‐year lead.
Adler   +61 more
core   +3 more sources

A Geomorphometric Approach to Estimate the Deterioration of Earthen Archaeological Sites by Rainfall and Diffusion Processes: The Huaca Chornancap (Eighth–14th Century ad), Lambayeque, Peru

open access: yesArchaeological Prospection, EarlyView.
ABSTRACT Rain‐induced erosion processes can severely damage Earthen archaeological sites. Huaca Chornancap (HCH; eighth–14th century ad) is a platform located in the Lambayeque region (Peru) exposed to seasonal rain due to El Niño Southern Oscillation (ENSO).
Luigi Magnini   +5 more
wiley   +1 more source

Comparison of the seasonal evolution of the South Asian high associated with two types of El Niño event

open access: yesAtmospheric and Oceanic Science Letters, 2017
El Niño (EN) episodes can be classified based on their time of onset as spring onset EN (SPEN) events and summer onset EN (SUEN) events. To evaluate the different influences of SPEN and SUEN events on the South Asian high (SAH), this study compared the ...
Zhen-Kun LI   +6 more
doaj   +1 more source

Changes in El Niño characteristics and air–sea feedback mechanisms under progressive global warming

open access: yesTerrestrial, Atmospheric and Oceanic Sciences, 2023
In this study, we investigate the potential changes of El Niño characteristics, including intensity, frequency and CP/EP El Niño ratio, under progressive global warming based on the 140-year CMIP6 model simulation outputs with the 1pctCO2 experiment ...
Min-Hua Shen, Jia-Yuh Yu
doaj   +1 more source

Advancing Malic Acid Production of Aspergillus oryzae: Combined Process Optimization and Application of Various Substrates

open access: yesBiotechnology and Bioengineering, EarlyView.
ABSTRACT In light of climate change and growing resource scarcity, microbial production of organic acids offers a sustainable alternative to fossil‐based chemical synthesis. In this study, malic acid production by Aspergillus oryzae was optimized through cultivation temperature adjustment and biotin supplementation, while organic acid formation from ...
Lukas Hartmann   +6 more
wiley   +1 more source

Ametropía y ambliopía en escolares de 42 escuelas del programa “Escuelas Saludables” en la DISA II, Lima. Perú, 2007-2008

open access: yesActa Médica Peruana, 2009
Introducción: en el Perú con casi 12 millones de niños, no se han reportado hasta la actualidad estudios de prevalencia de ametropía o ambliopía en escolares.
Carlos Carrión Ojeda   +5 more
doaj  

Efectos ecológicos del fenómeno ENOS en Colombia

open access: yesRevista Peruana de Biología, 2014
El fenómeno ENOS, tiene un sustancial efecto sobre las variaciones del clima a nivel mundial; por lo tanto, no sorprende que sus efectos tengan un impacto ecológico y socioeconómico fuerte, alterando la seguridad alimentaria de los países a nivel mundial.
Yesid Carvajal   +2 more
doaj   +1 more source

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