The main goals of this study were to map the current distribution of the invasive eastern gray squirrel in California as of 2016, to project the potential future geographic range of the species, and to identify areas where the future range of the east . . .

Oil and gas industry activities include exploration, drilling, and extraction of petroleum deposits, as well as storage, transportation of product from the production site, and refining of product. Exploration and extraction of petroleum involves flui . . .

Solving theoretical and practical problems related to fate and transport of contaminants in groundwater requires in-depth understanding of the mechanisms controlling solute transport behavior in porous media. Researchers have addressed solute migratio . . .

ABSTRACT Detecting Climate Change over Canadian Prairies By Martin Ponce This research paper looks to see how rising temperatures have affected precipitation frequency in the prairies of Canada by examining day to day weather station records based on . . .

The agricultural industry in California is heavily reliant on irrigation, and abundant water is a necessity for successful food production. Research shows that proximity to irrigation sources has an effect on farmland prices, proving that water availa . . .

The goal of this project is to determine the overall health of three sampling sites in the San Gabriel Mountains that are commonly used by visitors as recreation areas. Eaton Canyon Sturtevant Falls and Hermit Falls are commonly used riparian hiking a . . .

While natural variations in atmospheric total (column) water vapor are normal, recent changes may be representative of Earth's long-term climate change. Unnaturally large shifts in Arctic climate and concerns regarding sea ice retreat, melting tundra, . . .

Previous studies have suggested that the Monterey Formation has an impact on the water quality in the Malibu Creek Watershed. The results of this study demonstrate that phosphorous is higher in stream reaches flowing across Monterey/Modelo outcrops th . . .

Horseshoe Lake (HSL) is located in Mammoth Lakes, CA at the base of Mammoth Mountain, which is a dormant volcano. This site is considered a natural analogue for a man-made CO2 geosequestration site. This research project is focused on the geochemistry . . .

The objective of my internship with The Bay Foundation was two-fold: I gained familiarity with assorted ecological monitoring and restoration techniques while also understanding general project implementation and management processes. The Bay Foundati . . .

The Cretaceous Chatsworth Formation exposed in the vicinity of Chatsworth, California, is an ancient submarine fan deposited 66 to 83 million years ago. The formation consists of varying proportions of thin-bedded mudstones and thin-bedded to thick-be . . .

The objective of this thesis is to investigate what factors lead to the creation of successful Transit-Oriented Developments (TOD's) and how they can help improve transit ridership in metropolitan Los Angeles. The research will be focused on selected . . .

The Early Miocene Pickhandle Formation in the central Mojave Desert was deposited in an extensional basin coeval with regional crustal thinning. The volcaniclastic Pickhandle Formation deposits record recurrent, explosive, rhyolitic volcanism associat . . .

Atmospheric rivers (ARs) are thin and lengthy jets of water vapor responsible for transporting moisture away from the tropics and towards the poles. According to Zhu and Newell 1998 , ARs account for over 90% of total poleward water vapor transport at . . .

Data collected on the water quality of Topanga Creek from a previous study done in 2013 and 2014 are compared to data collected this year in 2016 to determine any significant changes. The water quality of Topanga Creek is currently being influenced by . . .

Volcaniclastic deposits in the western Mojave Desert record a gradual change from lacustrine to fluvial and subaerial depositional environments, contemporaneous with volcanism that continued throughout and after the transition from fluvial to subaeria . . .

Southern California is an environment that is prone to drought conditions. Nevertheless, many residents have high water use landscaping, which makes conserving water difficult. Through an internship with the Earthwatch Institute, we sought to test dif . . .

Bioretention cells (e.g. rain gardens) are becoming increasingly popular as a Best Management Practice to lower concentrations of heavy metals in urban run-off. The Culver City Rain Garden (CCRG) was built to decrease heavy metal concentrations in Bal . . .

Precipitation is an important component of the hydrologic cycle and the ability to measure precipitation rates is a pivotal part of water resources management. However, the limited range and availability of gauges makes this task difficult. Fortunatel . . .

Stable isotope analysis has been used for quantitative geothermometry for over fifty years with two limitations: Primarily marine carbonates can be analyzed with assumptions about the isotopic composition of waters; Terrestrial carbonates are a challe . . .

Abstract The Coachella Valley is a large, alluviated and gently sloping valley of about 820 square miles in the Palm Springs-Indio California area. The Coachella Valley Aquifer is beset by long term drawdown in water levels. While recharge of imported . . .

The Malibu Creek Watershed is located within the Santa Monica Mountains in Los Angeles and Ventura County, California. The upper portion of the watershed exposes the Monterey‐Modelo Formation, a Miocene marine mudstone. The Monterey‐Modelo formation h . . .

ABSTRACT Detecting Climate Change over Canadian Prairies By Martin Ponce This research paper looks to see how rising temperatures have affected precipitation frequency in the prairies of Canada by examining day to day weather station records based on . . .

The interplay of precipitation and soil can support human life and destroy it. Adequate rain and soil moisture enable the global food supply to flourish. Inversely, too much precipitation and saturated soil result in flooding. Precipitation’s inferred . . .

This study addresses the issues of urban transportation in Los Angeles, and identifies ways in which more sustainable choices may be encouraged. GIS and a range of qualitative methods are utilized to present a picture of current transportation mode ch . . .

Atmospheric Rivers (ARs) are narrow, long, water vapor rich corridors of the atmosphere that are responsible for over 90% of the poleward moisture transport across mid-latitudes and into high latitudes. This suggests a crucial role for ARs in establis . . .

The purpose of this study was to understand whether there have been changes in winter <bold>temperature</bold> and <bold>precipitation</bold> patterns at <bold>Big Bear Lake</bold>, <bold>California</bold> by using daily synoptic observations from 196 . . .

Located in Mammoth, CA, the surface water geochemistry of Horseshoe Lake (HSL-LK) and its streams, and McLeod Lake (MCL) are controlled by a variety of mechanisms, including meteorological/climate and hydrological factors. The amount of precipitation . . .

Over 90% of California’s wetlands have been destroyed or modified. Habitat loss due to activities like the removal of wetlands is one of the main reasons for amphibian population decline. Amphibian extinction rates are 211 times higher than the backgr . . .

The main objective of this project is to develop an effective method to treat our industrial wastewater discharged in the Publicly Owned Treatment Works (POTW) in order to remain within the acceptable specifications range and limits as established by . . .

The main goals of this study were to determine the distribution and model the niche of the invasive Eastern Fox Squirrel, Sciurus niger, which will be abbreviated as EFS, and project its potential impact on the Western Gray Squirrel, Sciurus griseus, . . .

Past research has studied relationships between an increase in water vapor and changes in precipitation characteristics under a warmer climate. However, there is no research focusing on the change in precipitation characteristics in association with r . . .

ABSTRACT Detecting Climate Change over Canadian Prairies By Martin Ponce This research paper looks to see how rising temperatures have affected precipitation frequency in the prairies of Canada by examining day to day weather station records based on . . .

Mammoth Mountain, CA is a volcanic region with elevated CO2 emissions from a sub-surface source, which are likely inducing mineral weathering that is leading to varied As concentrations in the surrounding springs. This study examines possible geochemi . . .

This project examined the utilization levels of current on-street metered parking spaces in Old Pasadena, and how they related to other public parking facilities. In order to identify where and when these parking spaces were used, field surveys were c . . .

Atmospheric Rivers (ARs) are narrow, long, water vapor rich corridors of the atmosphere that are responsible for over 90% of the poleward moisture transport across mid-latitudes and into high latitudes. This suggests a crucial role for ARs in establis . . .

The Ballona Wetlands Ecological Reserve (BWER) is the largest remaining coastal wetlands in Los Angeles County. The California Department of Fish and Wildlife (CDFW) are in the midst of developing an Environmental Impact Report (EIR) for possible rest . . .

Many streams within the Malibu Creek Watershed generally flowed intermittently during predevelopment times and now flow year round. The isotope hydrology and hydrochemistry of Lindero Creek, an urban tributary in the Malibu Creek Watershed, was invest . . .

Global Measurement Precipitation (GPM) was launched in February 28, 2014 by the National Aeronautics and Space Administration (NASA) and the Japan Aerospace Exploration Agency (JAXA). This mission is a continuation of the Tropical Rainfall Measuring M . . .

Atmospheric Rivers (ARs) are narrow, long, water vapor rich corridors of the atmosphere that are responsible for over 90% of the poleward moisture transport across mid-latitudes and into high latitudes. This suggests a crucial role for ARs in establis . . .

The East Fork River in the Angeles National Forest has been directly and indirectly impacted by recreational activities and gold mining since the mid-1800s. Its close proximity to Los Angeles, San Bernardino, and Orange County contributes to over one . . .

Most heavy metals occur in nature in rocks, ores, soil, water, and air at usually low and widely dispersed levels. If left undisturbed, lead is practically immobile. However, once lead is mined and smelted or used for other anthropogenic activities, h . . .

The Arroyos and Foothills Conservancy (AFC) is a non-profit organization focused on the preservation of natural open spaces and education. AFC currently owns six reserves in Altadena, La Cañada Flintridge, Pasadena, and La Crescenta, California. The p . . .

In 1998 the California State Parks kindly donated land in an area of the Santa Monica Mountains for the purpose of helping sick, injured, and orphaned native wildlife. This land is where the non-profit organization now known as the California Wildlife . . .

The capture and underground storage of carbon dioxide (CO2) is being studied as an alternative approach to reducing atmospheric emissions and thereby mitigating the effects of global climate change. However, a main concern with sequestration is the po . . .

The Eastern United States are known for their large variations in weather patterns, especially precipitation. Climate change will have an impact on these patterns in the eastern United States through the alteration of precipitation characteristics. Th . . .

Two creeks having similar topographical and geological characteristics in the Malibu Creek Watershed (MCW) in Southern California, USA investigated nitrate (NO3--N) and selenium (Se) concentrations variability. Las Virgenes Creek (LVC) has nitrate con . . .

Understanding variability in precipitation and temperature both spatially and temporally are critical when studying the impacts of climate change. As climate change becomes more evident, long term changes of the climate system have been observed. The . . .

The objective of this thesis is to identify processes by which domestic landscape wall paintings contributed to the production of Roman citizenship during the late Republic and early Empire. The research focuses on representations of landscape in dome . . .

ABSTRACT Investigating the Urban Heat Island Effect in Downtown Los Angeles, USC and Los Angeles International Airport through spatial data analysis – land use and land cover change 1970 - 2018 By Tania Torres Over the years, humans have modified the . . .