Large‐scale conditions for the record‐setting Southern California marine heatwave of August 2018

2021 ◽  
Author(s):  
Xinyue Wei ◽  
Kaiyuan Li ◽  
Thomas Kilpatrick ◽  
Minyang Wang ◽  
Shang‐Ping Xie
Keyword(s):  
Large Scale ◽  
Southern California

scholarly journals Effects of Large-Scale Wildfires on Ground Foraging Ants (Hymenoptera: Formicidae) in Southern California

2011 ◽  
Vol 40 (2) ◽  
pp. 204-216 ◽  
Author(s):  
Tritia Matsuda ◽  
Greta Turschak ◽  
Cheryl Brehme ◽  
Carlton Rochester ◽  
Milan Mitrovich ◽  
...  
Keyword(s):  
Large Scale ◽  
Southern California

Salinity Variations in the Southern California Current*

2005 ◽  
Vol 35 (8) ◽  
pp. 1421-1436 ◽  
Author(s):  
Niklas Schneider ◽  
Emanuele Di Lorenzo ◽  
Pearn P. Niiler
Keyword(s):  
Large Scale ◽  
Southern California ◽  
Current System ◽  
California Current ◽  
Southern California Bight ◽  
Small Scale ◽  
Climate Indices ◽  
California Current System ◽  
The Mean ◽  
Salinity Variations

Abstract Hydrographic observations southwestward of the Southern California Bight in the period 1937–99 show that temperature and salinity variations have very different interannual variability. Temperature varies within and above the thermocline and is correlated with climate indices of El Niño, the Pacific decadal oscillation, and local upwelling. Salinity variability is largest in the surface layers of the offshore salinity minimum and is characterized by decadal-time-scale changes. The salinity anomalies are independent of temperature, of heave of the pycnocline, and of the climate indices. Calculations demonstrate that long-shore anomalous geostrophic advection of the mean salinity gradient accumulates along the mean southward trajectory along the California Current and produces the observed salinity variations. The flow anomalies for this advective process are independent of large-scale climate indices. It is hypothesized that low-frequency variability of the California Current system results from unresolved, small-scale atmospheric forcing or from the ocean mesoscale upstream of the Southern California Bight.

Reptile and Amphibian Responses to Large-Scale Wildfires in Southern California

2010 ◽  
Vol 44 (3) ◽  
pp. 333-351 ◽  
Author(s):  
Carlton J. Rochester ◽  
Cheryl S. Brehme ◽  
Denise R. Clark ◽  
Drew C. Stokes ◽  
Stacie A. Hathaway ◽  
...  
Keyword(s):  
Large Scale ◽  
Southern California

The effects of conservation messaging on retail water deliveries

2016 ◽  
Vol 11 (1) ◽  
pp. 26-34 ◽  
Author(s):  
Michael Hollis
Keyword(s):  
Water Conservation ◽  
Large Scale ◽  
Southern California ◽  
Public Awareness ◽  
Public Outreach ◽  
Water Savings ◽  
Water District

In 2014 the Metropolitan Water District of Southern California spent $5.5 million on a large scale public outreach campaign designed to foster public awareness about the California drought and to promote water conservation. This paper estimates the water savings associated with that effort.

Noise-Based Monitoring of Spatiotemporal Changes in Crustal Seismic Wavespeed across Southern California

2020 ◽  
Author(s):  
Shujuan Mao ◽  
Albanne Lecointre ◽  
Qingyu Wang ◽  
Robert van der Hilst ◽  
Michel Campillo
Keyword(s):  
Los Angeles ◽  
Travel Time ◽  
Large Scale ◽  
Southern California ◽  
Mechanical Response ◽  
Time Lapse ◽  
Salton Sea ◽  
Coda Wave ◽  
Lag Times ◽  
Pressurized Fluids

<p>Monitoring temporal changes in seismic wavespeed can inform our understanding of the evolution of crustal rocks’ mechanical state caused by perturbations in stress field, damages, and fluids. Furthermore, imaging these time-lapse changes in space can help unravel the response of rocks with different elastic properties. In this study, we analyze the spatiotemporal variations of seismic wavespeed in Southern California from 2007 to 2017. We compute the Green’s functions by daily cross-correlations using ambient noise at over three hundred broadband seismic stations. Instead of calculating simply the linear regressions of travel-time shifts over lag-times, which only resolves homogeneous changes, we scrutinize the variations of travel-time shifts at different lag-times and frequencies using coda-wave sensitivity kernels, in order to probe the spatial distribution of wavespeed changes. The long-term and large-scale analysis allows us to investigate the mechanical response of different crustal materials to various transient processes. As an example we use the 2010 Mw 7.2 El Mayor-Cucapah Earthquake (EMC) and show that large coseismic wavespeed reductions occur in Salton Sea area and the Los Angeles sedimentary basin. In the latter region, the ground motion amplification and high susceptibility of sedimentary materials explain the remote signature of the earthquake. In the Salton Sea region, particularly in the geothermal area with highly pressurized fluids, the non-linear crustal response illustrated by wavespeed changes can be analyzed with regard to the high-level micro-seismicity triggered by EMC.</p>

Campanian/Maastrichtian stage boundary in southern California: Resolution and implications for large-scale depositional patterns

Geology ◽  
1989 ◽  
Vol 17 (1) ◽  
pp. 80 ◽  
Author(s):  
Jeffrey L. Bannon ◽  
David J. Bottjer ◽  
Steve P. Lund ◽  
LouElla R. Saul
Keyword(s):  
Large Scale ◽  
Southern California ◽  
Depositional Patterns

scholarly journals Combined impacts of land cover changes and large‐scale forcing on Southern California summer daily maximum temperatures

2015 ◽  
Vol 120 (18) ◽  
pp. 9208-9219 ◽  
Author(s):  
Pedro Sequera ◽  
Jorge E. González ◽  
Kyle McDonald ◽  
Robert Bornstein ◽  
Daniel Comarazamy
Keyword(s):  
Land Cover ◽  
Large Scale ◽  
Southern California ◽  
Daily Maximum ◽  
Land Cover Changes ◽  
Maximum Temperatures

Large-scale sea-water distillation for Southern California

Desalination ◽  
1992 ◽  
Vol 87 (1-3) ◽  
pp. 69-83 ◽  
Author(s):  
R.Philip Hammond ◽  
David M. Eissenberg ◽  
Dieter K. Emmerman ◽  
John E. Jones ◽  
Hugo H. Sephton
Keyword(s):  
Large Scale ◽  
Southern California ◽  
Sea Water ◽  
Water Distillation
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