Water Resources in Delaware
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This document summarizes several key water resource issues facing the state of Delaware, including suburbanization increasing impervious surfaces and water consumption, agricultural runoff of nitrates from poultry and other farming, industrial pollution from chemical spills, the privatization of water services, the risks of saltwater intrusion and land subsidence from over-pumping of aquifers. It discusses these issues in the context of the Potomac and Columbia aquifers that supply much of the state's groundwater.
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Pamela Bush, Esq., Commission Secretary and Assistant General Council, Delaware River Basin Commission
Ch15 lecture 3e
This document discusses a PowerPoint presentation about freshwater resources, including the hydrologic cycle, distribution of freshwater on Earth, freshwater ecosystems, human uses and impacts on freshwater systems, and solutions to water supply and quality problems. Specific topics covered include the Colorado River basin, dams on rivers like the Three Gorges Dam in China, wetlands, groundwater systems like the Ogallala Aquifer, challenges of water scarcity, and the impacts of climate change on water resources.
Water Notes
The document discusses water resources including surface water and groundwater. It provides background on the water cycle, noting that water is continually moving through different states on Earth. It also discusses the distribution of Earth's water, with only 1% available for human use, mostly as groundwater. The document focuses on the Clear Creek watershed in Texas, describing the watershed area, environmental characteristics, flooding issues, and flood reduction measures. It also discusses uses of surface water and the process of water treatment.
Water resarch and ground water
The hydrosphere refers to all water on Earth's surface and near-surface, including oceans, lakes, rivers, groundwater and water in the atmosphere. Oceans contain about 96% of Earth's water while freshwater lakes and streams only contain 0.016%. Groundwater is an important source, with 22% of freshwater occurring underground in aquifers. Aquifers are underground rock formations that hold and transmit water. Factors like porosity, permeability and hydraulic gradient determine groundwater flow. Human activities like excessive groundwater pumping can lower water tables and cause issues like land subsidence, saltwater intrusion and sinkholes. Managing groundwater sustainably requires understanding recharge rates and balancing usage with replenishment
Issues in Urban Hydrogeology Lecture
1) Water issues in megaregions involve complex challenges due to their large spatial scale, which crosses political, cultural, and regulatory boundaries.
2) Megaregions have increased diversity, complexity, and quantity of water problems compared to smaller regions, as problems and solutions may not apply uniformly across their areas.
3) While the issues themselves are not new, the large scale of megaregions exacerbates existing challenges related to water management, planning, and leadership. Developing best practices is needed to adequately address water issues at this scope.
Pmev site charette 12feb2011_abbr
The document summarizes information from a place-making charette for the Pickards Meadow Eco-Village site including:
1) A site analysis should preserve what makes the site special like its natural features and character. Factors like sun, wind, water, soils and regulations will influence the design.
2) Site development will require addressing access, utilities and costs associated with water source, waste treatment, stormwater management and building approvals/fees. Alternative systems like composting toilets and greywater treatment were discussed.
3) The design process was outlined from site analysis to construction plans to ensure the development fits and enhances the site.
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Lecture - Chapter 14 - Water as a Limited Resource.ppt
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Sustainability & Environmental Problems
The document discusses several environmental problems facing the world today such as climate change, overpopulation, overconsumption of resources, and habitat destruction. It also examines the principles of sustainability, including reliance on solar energy, biodiversity, population control, and nutrient cycling. Additionally, it questions whether humanity is living sustainably and if technology can solve issues related to resources, population growth, and pollution.
ES: Ecosystems, Cod, Fish ID
The document discusses environmental science topics like ecosystems and fish identification. It asks questions about the Sentinel Fishery program in a Canadian province, the European group that first fished for cod in North America and their home country. The document also includes images and questions to identify different fish species.
Human Population Dynamics
The document discusses human population dynamics and provides the following key points:
- The current global population is approximately 6.6 billion and is projected to grow to 9.2 billion by 2050, with much of this growth occurring in India and China.
- There are differing positions on population issues, ranging from concerns about overpopulation and environmental degradation to beliefs that human ingenuity can overcome resource constraints.
- Factors influencing population growth include birth rates, death rates, resource availability, education, urbanization, and government policies. Many countries are now experiencing aging populations with low birth rates.
Advanced Studies in Environmental Science
This course on advanced environmental science involves information and discussion, think-pair-square-share activities, field work, video and readings. Assignments include high-value reading, short papers, oral presentations, quizzes and an exam. Students will learn about global environmental issues and ecology and biodiversity through speakers, field trips and an environmental thesis. The course encourages engagement throughout the year on key topics while allowing students freedom to focus on certain areas.
Fish Species Roster of Noxontown Pond
This document lists fish species found in Noxontown Pond, including Gizzard Shad, White Crappie, White Perch, and Sunfish. It also lists adaptations that allow fish such as osmoregulation between fresh and saltwater, anadromous and catadromous life cycles, gas bladders, and lateral lines.
Ozone Layer Depletion
The document discusses ozone layer depletion caused by CFCs and other chemicals. It provides background on the ozone layer's importance for life on Earth and describes how scientists in the 1970s discovered that CFCs were depleting the ozone layer. The Montreal Protocol of 1987 was successful in phasing out CFCs and other ozone-depleting substances to repair the ozone layer by 2050.
Wetland Ecosystems
The document discusses different types of wetland ecosystems, including marine/saltwater wetlands and freshwater wetlands. It describes key characteristics of different wetland types such as marshes, swamps, and bogs, including dominant vegetation, hydrology, and examples from locations in Delaware and Maine. The document also briefly discusses mangrove forests and questions to consider about the importance of wetlands.
Renewable Energy Technology
The document discusses various renewable energy technologies including solar, wind, biofuels, geothermal, hydroelectric, and hydrogen. It outlines the advantages and disadvantages of each technology, how much they currently contribute to energy production, and barriers to their increased adoption such as high costs, land use requirements, or lack of infrastructure. Improving energy efficiency is also highlighted as having potential to significantly reduce wasted energy.
Non-Renewable Energy
This document discusses different types of non-renewable energy sources including fossil fuels like oil, coal, and natural gas as well as nuclear power. It notes that fossil fuels will be depleted within 50-100 years at current consumption rates. It also discusses the environmental impacts of burning fossil fuels and extracting oil. The document provides an overview of how nuclear power plants work and some of the challenges facing the nuclear industry.
Birds of Noxontown Pond
The document discusses different types of birds found at Noxontown Pond, grouping them into categories such as airborne birds including kingfishers, bald eagles, and ospreys, waiting waders like common terns, night herons, egrets, blue herons, and bitterns, patient probers including ibises and sandpipers, and deadly divers such as buffleheads, cormorants, and mergansers.
Human Population
The document discusses human population dynamics and provides the following key points:
- The current global population is approximately 6.6 billion and is projected to grow to 9.2 billion by 2050, with much of this growth occurring in India and China.
- There are differing positions on population issues, ranging from concerns about overpopulation and environmental degradation to beliefs that human ingenuity can overcome resource constraints.
- Factors influencing population growth include birth rates, death rates, resource availability, economic conditions, women's education and employment, and government policies. Countries like India and China face unique challenges in managing their large populations.
Teaching
The document discusses how to format different elements in a document such as pictures, text, tables and graphs. It asks questions about how to import pictures, format text, hide pictures until needed, and insert tables and graphs. The document is a demonstration of incorporating various media elements.
Population Ecology
Populations are influenced by births, deaths, immigration and emigration. Most populations cluster in patches where resources are abundant and protection is better. A population's age structure, carrying capacity, and growth patterns (exponential vs logistic) determine its characteristics over time. Environmental factors like weather, food availability, disease and predation influence population limits. Predator-prey relationships also impact growth through bottom-up or top-down control. Reproductive strategies range from R-selected, with early breeding and many offspring, to K-selected with later breeding and fewer offspring receiving parental care.
Endangered Species
The document discusses several key points about endangered species:
1) Aldo Leopold argued that if the land mechanism as a whole is good, then every part of it is good, whether we understand it or not, and we should aim for harmony with the land.
2) Endangered species are so few that they could become extinct, while threatened species are likely to become endangered due to declining numbers. Many experts believe 1/3 of plant and animal species in the US are threatened.
3) The current rate of extinction is estimated to be 1,000-10,000 times greater than before humans due to factors like habitat loss and climate change.
Marine Mammals 1
This document discusses biodiversity and endangered marine mammal species. It covers topics such as the definition of endangered species, leading causes of extinction like habitat loss and pollution, case studies on marine mammals, threats they face in different regions, and laws protecting them such as the Marine Mammal Protection Act. It also suggests ways for students to get involved in conservation efforts.
Aquatic Ecosystems - Land Use Changes
The document discusses land use changes and their impact on water quality in aquatic ecosystems. It focuses on a study conducted at the Hubbard Brook Experimental Forest in New Hampshire, where researchers examined different land uses including clear cuts, deciduous forests, and developments. The study also looked at areas in Middletown, Delaware and how housing and commercial developments affected nearby water bodies like Wiggins Mill Pond and Noxontown Pond.
Fish Quiz
This short document poses a series of questions about identity, asking "What's my name?", "Who am I?", and "Remember me?" twice, concluding with "The grand finale".
Ecosystems
The document discusses key concepts in ecosystems and sustainability including reliance on solar energy, biodiversity, population control, and nutrient cycling. It provides statistics on the distribution of species, describing that insects make up 53% of species. It also outlines the structure of communities including producers, consumers, and decomposers. Finally, it discusses important biogeochemical cycles like nitrogen and phosphorus cycling and how human activities can impact these cycles.
Community Ecology
The document discusses key concepts in community ecology, including native and non-native species, indicator species, keystone species, species interactions, succession, and factors that can disrupt succession. It provides examples for each concept and explains how communities change over time through succession if undisturbed, moving from pioneers to late succession species. However, intermediate disturbances from events like fire and storms can increase biodiversity by interrupting the normal succession process.
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While the dev and ops silo continues to crumble….many organizations still relegate monitoring & observability as the purview of ops, infra and SRE teams. This is a mistake - achieving a highly observable system requires collaboration up and down the stack.
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TrustArc Webinar - 2024 Global Privacy Survey
How does your privacy program stack up against your peers? What challenges are privacy teams tackling and prioritizing in 2024?
In the fifth annual Global Privacy Benchmarks Survey, we asked over 1,800 global privacy professionals and business executives to share their perspectives on the current state of privacy inside and outside of their organizations. This year’s report focused on emerging areas of importance for privacy and compliance professionals, including considerations and implications of Artificial Intelligence (AI) technologies, building brand trust, and different approaches for achieving higher privacy competence scores.
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Video Streaming: Then, Now, and in the Future
In his public lecture, Christian Timmerer provides insights into the fascinating history of video streaming, starting from its humble beginnings before YouTube to the groundbreaking technologies that now dominate platforms like Netflix and ORF ON. Timmerer also presents provocative contributions of his own that have significantly influenced the industry. He concludes by looking at future challenges and invites the audience to join in a discussion.
Artificial Intelligence for XMLDevelopment
In the rapidly evolving landscape of technologies, XML continues to play a vital role in structuring, storing, and transporting data across diverse systems. The recent advancements in artificial intelligence (AI) present new methodologies for enhancing XML development workflows, introducing efficiency, automation, and intelligent capabilities. This presentation will outline the scope and perspective of utilizing AI in XML development. The potential benefits and the possible pitfalls will be highlighted, providing a balanced view of the subject.
We will explore the capabilities of AI in understanding XML markup languages and autonomously creating structured XML content. Additionally, we will examine the capacity of AI to enrich plain text with appropriate XML markup. Practical examples and methodological guidelines will be provided to elucidate how AI can be effectively prompted to interpret and generate accurate XML markup.
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Driving Business Innovation: Latest Generative AI Advancements & Success Story
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Cosa hanno in comune un mattoncino Lego e la backdoor XZ?
ABSTRACT: A prima vista, un mattoncino Lego e la backdoor XZ potrebbero avere in comune il fatto di essere entrambi blocchi di costruzione, o dipendenze di progetti creativi e software. La realtà è che un mattoncino Lego e il caso della backdoor XZ hanno molto di più di tutto ciò in comune.
Partecipate alla presentazione per immergervi in una storia di interoperabilità, standard e formati aperti, per poi discutere del ruolo importante che i contributori hanno in una comunità open source sostenibile.
BIO: Sostenitrice del software libero e dei formati standard e aperti. È stata un membro attivo dei progetti Fedora e openSUSE e ha co-fondato l'Associazione LibreItalia dove è stata coinvolta in diversi eventi, migrazioni e formazione relativi a LibreOffice. In precedenza ha lavorato a migrazioni e corsi di formazione su LibreOffice per diverse amministrazioni pubbliche e privati. Da gennaio 2020 lavora in SUSE come Software Release Engineer per Uyuni e SUSE Manager e quando non segue la sua passione per i computer e per Geeko coltiva la sua curiosità per l'astronomia (da cui deriva il suo nickname deneb_alpha).
UiPath Test Automation using UiPath Test Suite series, part 6
Welcome to UiPath Test Automation using UiPath Test Suite series part 6. In this session, we will cover Test Automation with generative AI and Open AI.
UiPath Test Automation with generative AI and Open AI webinar offers an in-depth exploration of leveraging cutting-edge technologies for test automation within the UiPath platform. Attendees will delve into the integration of generative AI, a test automation solution, with Open AI advanced natural language processing capabilities.
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GraphRAG for Life Science to increase LLM accuracy
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みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
ここ3000字までしか入らないけどタイトルの方がたくさん文字入ると思います。
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Removing Uninteresting Bytes in Software Fuzzing
Imagine a world where software fuzzing, the process of mutating bytes in test seeds to uncover hidden and erroneous program behaviors, becomes faster and more effective. A lot depends on the initial seeds, which can significantly dictate the trajectory of a fuzzing campaign, particularly in terms of how long it takes to uncover interesting behaviour in your code. We introduce DIAR, a technique designed to speedup fuzzing campaigns by pinpointing and eliminating those uninteresting bytes in the seeds. Picture this: instead of wasting valuable resources on meaningless mutations in large, bloated seeds, DIAR removes the unnecessary bytes, streamlining the entire process.
In this work, we equipped AFL, a popular fuzzer, with DIAR and examined two critical Linux libraries -- Libxml's xmllint, a tool for parsing xml documents, and Binutil's readelf, an essential debugging and security analysis command-line tool used to display detailed information about ELF (Executable and Linkable Format). Our preliminary results show that AFL+DIAR does not only discover new paths more quickly but also achieves higher coverage overall. This work thus showcases how starting with lean and optimized seeds can lead to faster, more comprehensive fuzzing campaigns -- and DIAR helps you find such seeds.
- These are slides of the talk given at IEEE International Conference on Software Testing Verification and Validation Workshop, ICSTW 2022.
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Boost your website's visibility with proven SEO techniques! Our latest blog dives into essential strategies to enhance your online presence, increase traffic, and rank higher on search engines. From keyword optimization to quality content creation, learn how to make your site stand out in the crowded digital landscape. Discover actionable tips and expert insights to elevate your SEO game.
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みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
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Water Resources in Delaware
- 1. Water Resource Issues in Delaware • Topic of Masters thesis • June 2002- May 2004 • IPA, WRA, DNREC Aquifer
- 2. Aquifers=Groundwater • Groundwater and surface water are a single source • One is connected to the other • Anything that impacts one, impacts the other Groundwater entering the pond • Potomac and Columbia creates these polynya Aquifers • SAS taps the Potomac Aquifer
- 5. Suburbanization • Role of State Route 1 • Removal of natural vegetation runoff, infiltration, nitrate levels in water • Impervious cover : footprint of homes, roads/driveways, shopping centers: infiltration • Subdivisions: water consumption— pools, golf courses, Anderson Homes “Designed to make a statement” • We see a net movement of water out of a watershed
- 6. Agriculture • Poultry: 200 million chickens/ year in DE. Drink water, Produce nitrate-rich manure: polluting surface and ground water • Farming: acreage farmed increase in irrigation (plus competition with subdivisions) • Food Processing: washing and packaging of above .
- 7. Industry • Spills and storage of toxic chemicals (chemical industry/petroleum industry) • Metachem LLC: Superfund site, chlorobenzene spill 1986, $100 million cleanup, largely un-remediated.(DNREC/ EPA in charge of site) • Local contamination of air, soil, and ground water (Columbia Aquifer); potential contamination of the Potomac Aquifer.
- 8. Privatization of Water Service and Wastewater Treatment • Corporations= sales, profits, shareholders, commodities • Can this be a model for wise management/ conservation of a scarce resource? • Artesian, DE’s largest private water provider • Provides infrastructure and water delivery to New Castle County • Provides wastewater treatment (2X the expense of above) • The State regulates price (rate)
- 9. Saltwater Intrusion • Particular problem potentially to coastal areas of DE as population increases • As ground water is removed, seawater enters coastal aquifers contaminating them • Cape May, NJ and their Cohansey Aquifer had this happen • Above must rely on expensive desalination process for drinking water now
- 10. Subsidence • Removal of large amounts of ground water compacts aquitards formations containing water) • Compacted aquitards do not recharge fully • Land lowers (sinks) i.e. Dover, DE and Bowers Beach, DE • More vulnerable to flood, tidal surge • Damage to infrastructure: bridges, roads, piping, buildings.
Editor's Notes
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