Results 31 to 40 of about 795,764 (281)

Coastal Oceanography Using a Small AUV [PDF]

Journal of Atmospheric and Oceanic Technology, 2001
Bathymetry, current, temperature, and depth (CTD) measurements using a small, mobile, autonomous underwater vehicle (AUV) platform are described. Autonomous surveys of a shallow water column off the east coast of Florida during December 1997 were carried out using a 2.13-m long, 0.53-m maximum diameter Ocean Explorer series AUV, equipped with a 1200 ...
Edgar An, Manhar R. Dhanak, Lynn K. Shay, Samuel Smith, John Van Leer   +4 more
openaire   +1 more source

Reduced size of larvae and small fish linked to warming and reduced prey density

Ecography, EarlyView.
Body size is an integrative trait that has declined across many ecological assemblages in the last decades. Changes in body size of early life stages and small‐bodied fish are driven by complex interactions between size‐dependent mortality, and temperature‐ and food‐dependent growth, and can have consequences for recruitment to the adult stock and food
Max Lindmark, Malin Werner, Peter Thor, Federico Maioli, Eros Quesada, Valerio Bartolino, Philip Jacobson   +6 more
wiley   +1 more source

Seasonal variability in the feeding ecology of an oceanic predator

Scientific Reports
Complementary approaches (stomach contents, DNA barcoding, and stable isotopes) were used to examine seasonal shifts in the feeding ecology of an oceanic predator, yellowfin tuna (Thunnus albacares, n = 577), in the northern Gulf of Mexico. DNA barcoding
Mitchell S. Lovell, Michael J. Polito, Josef A. Schuster, Emily E. Shallow, Alexis M. Janosik, Brett J. Falterman, Michael A. Dance   +6 more
doaj   +1 more source

An estuarine-tuned quasi-analytical algorithm (QAA-V): assessment and application to satellite estimates of SPM in Galveston Bay following Hurricane Harvey [PDF]

Biogeosciences, 2018
The standard quasi-analytical algorithm (Lee et al., 2002) was tuned as QAA-V using a suite of synthetic data and in situ measurements to improve its performance in optically complex and shallow estuarine waters.
I. D. Joshi, E. J. D'Sa
doaj   +1 more source

Spatially heterogenous range dynamics since the Last Glacial Maximum underpin the modern bimodal latitudinal diversity gradient in planktonic foraminifera

Ecography, EarlyView.
The modern latitudinal diversity gradient (LDG) of planktonic foraminifera is bimodal, with a distinct depression near the equator surrounded by mid‐latitude diversity peaks. This pattern emerged after the Last Glacial Maximum (LGM; 19–23 ka), but it remains unclear how species' spatial dynamics contributed to its formation.
Tasnuva Ming Khan, Marina C. Rillo, Lukas Jonkers, Isaiah E. Smith, Ádám T. Kocsis, Wolfgang Kiessling   +5 more
wiley   +1 more source

Vegetation dieback in the Mississippi River Delta triggered by acute drought and chronic relative sea-level rise

Nature Communications
Vegetation dieback and recovery may be dependent on the interplay between infrequent acute disturbances and underlying chronic stresses. Coastal wetlands are vulnerable to the chronic stress of sea-level rise, which may affect their susceptibility to ...
Tracy Elsey-Quirk, Austin Lynn, Michael Derek Jacobs, Rodrigo Diaz, James T. Cronin, Lixia Wang, Haosheng Huang, Dubravko Justic   +7 more
doaj   +1 more source

The impact of seasonal hydrological disturbances on the presence and formation of toxic cyanobacteria blooms in coastal Louisiana

Frontiers in Marine Science
Estuaries in the Gulf, especially Lake Pontchartrain Estuary in southeastern Louisiana, USA, are experiencing significant changes due to climate change and coastal restoration efforts.
Courtney Nicole Hammond, Sibel Bargu, Sibel Bargu, Caitlin R. R. Turner, Matthew Hiatt, Matthew Hiatt, John R. White, John R. White   +7 more
doaj   +1 more source

ExMODE: A comprehensive resource for extremophile genomic and functional exploration

iMetaOmics, EarlyView.
ExMODE (https://db.genomics.cn/exmode/) integrates 3518 samples to build a unified extremophile resource, which hosts 1.35 billion habitat‐specific non‐redundant genes, 5.25 million representative protein structures, 67,026 metagenome‐assembled genomes (MAGs), and 164,132 biosynthetic gene clusters (BGCs). By combining sequence‐, structure‐, and genome‐
Denghui Li, Kailong Ma, Xiaoqiang Li, Jieni Wang, Zhen Cui, Yulu Zhang, Weiwen Wang, Jiawei Tong, Yang Guo, Zongan Wang, Peiyun Zeng, Jieyu Wang, Xiaokai Xu, Nannan Zhang, Yingying Zhang, Jing Chen, Qingjiang Hu, Wenzhen Yang, Zhiyong Li, Tao Yang, Wensi Du, Zhicheng Xu, Zhen Yue, Jian Wang, Guangyi Fan, Weijia Zhang, Xun Xu, Liujie Huo, Xiaofeng Wei, Liang Meng, Shanshan Liu   +30 more
wiley   +1 more source

A machine learning-based prediction-to-map framework for rapid and accurate spatial flood prediction

npj Natural Hazards
Traditional flood prediction approaches either rely on numerical models, which are accurate but computationally intensive, or machine learning models, which are faster but limited by data availability.
Daoyang Bao, Z. George Xue, Matthew Hiatt, Kehui Xu, Courtney K. Harris, Jill C. Trepanier   +5 more
doaj   +1 more source

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

International 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, Lidiya Shendrik, Efrat Morin, Chaim I. Garfinkel, Dorita Rostkier‐Edelstein   +4 more
wiley   +1 more source