36 Pit Fire in Oregon
The 36 Pit Fire in Oregon began on September 13, 2014 and is still under investigation. Firefighters have made progress in establishing an anchor point and constructing a fireline on the West and North sides of the fire.
Water Resources
Articles tagged with Water Resources
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The key to drilling wells with staying power in the developing world
A new study by the University of North Carolina-Chapel Hill found that when local communities collect fees for repairs and train members to fix wells, they can remain functional for decades. The World Vision model has been implemented in Ghana and resulted in nearly 80% of wells remaining operational after over two decades.
Happy Camp and July Fire Complexes in California
As of August 27, the Happy Camp Complex and July Fire Complexes have consumed over 60,000 acres of land in Northern California. The fire season has been exacerbated by hot and dry conditions, with multiple fires still spreading.
Insights from nature for more efficient water splitting
Researchers from RIKEN have discovered a mineral-based catalyst that efficiently splits water into oxygen and hydrogen ions at neutral pH. The key to this success lies in synchronizing electron- and proton-transfer timing, which greatly improves the catalytic activity of manganese oxides.
Fairy circles apparently not created by termites after all
Researchers analyzed aerial images of fairy circles in northwest Namibia and found a remarkably regular and homogeneous distribution pattern. This suggests local resource-competition among plants and vegetation as the most likely cause, rather than termites or underground gas emissions.
Tropical cyclone 'maximum intensity' is shifting toward poles
Researchers find that tropical cyclones' maximum intensity is shifting poleward at a rate of about 35 miles per decade in the northern and southern hemispheres. This shift increases risk for coastal cities and regions that depend on cyclones' rainfall, potentially leading to lower water availability.
Scientists say new computer model amounts to a lot more than a hill of beans
Researchers developed a new computer model to help plant scientists breed better soybean crops, achieving 8.5% productivity gains while reducing water usage by 13%. The model uses numerical optimization to explore structural traits like leaf distribution and reflectivity.
Streamflow alteration impacts fish diversity in local rivers
The USGS study highlights the importance of streamflow characteristics in assessing fish community change and identifies areas with high risk of ecological degradation. Changes in streamflow can lead to declines in fish diversity by up to nine species, emphasizing the need for effective management decisions.
Competition in a rough neighborhood: Plant success in a desert environment
Researchers found that desert winter annuals outperform each other based on their water use efficiency and growth rate. In wet environments, plants with higher water-use efficiency thrive, while those with faster growth rates dominate in dry years.
Plant production could decline as climate change affects soil nutrients
A study published in Nature finds that climate change could lead to a decline in plant production due to changes in soil nutrients. As drylands become drier, the imbalance of essential nutrients like nitrogen and phosphorus may affect crop growth, livestock forage, and fuel production.
Paleorivers across Sahara may have supported ancient human migration routes
Researchers discovered three major river systems that likely existed in North Africa 130,000-100,000 years ago, creating fertile habitats for animals and vegetation. The Irharhar river may have been a viable route for human migration across the region.
Intent to harm: Willful acts seem more damaging
Participants in studies estimated higher monetary damages for intentional harm than unintentional harm, suggesting people perceive intentional harm as more damaging. This finding has implications for legal and policy-related judgments, potentially leading to over-allocation of resources to prevent highly intentional harms.
Trust in leaders, sense of belonging stir people to safeguard common goods, analysis shows
A new report examines conditions that foster cooperative use of common resources, including strong group identity, smaller community size, and high trust in leaders. The study highlights factors leading to incongruous use of resources, such as intergroup conflicts, ideology/values, and cognitive disconnection.
Rancho Fire in California
The Rancho Fire started on July 19, 2013, and has burned 722 acres of land. Containment efforts involve 337 resources, including 14 crews, 10 engines, and 2 helicopters.
Flipping fish adapt to land living
Researchers found mangrove rivulus jumps with greater force on land than largemouth bass, utilizing horizontal and vertical movements. The rivulus's 'tail flip' technique allows it to efficiently locate food, avoid predators, and escape poor water conditions.
Improving 'crop per drop' could boost global food security and water sustainability
Increasing crop water productivity could feed an additional 110 million people while meeting domestic water demands of nearly 1.4 billion, according to a new study. The research team analyzed 16 staple crops globally, identifying opportunities for improving trade-off between food and water.
AWRI researcher honored for Lake Michigan outreach efforts
Janet Vail, an associate research scientist at AWRI since 1990, is being recognized for her public outreach and education efforts on Great Lakes issues. She has led several tours and organized conferences to raise awareness and support for Great Lakes protection.
New technique measures evaporation globally
Researchers at Columbia University developed a method to map evaporation globally using weather stations, enabling scientists to evaluate water resource management and assess recent trends. The technique uses air temperature and humidity measurements to obtain daily evaporation rates.
NRC panel advises US DOD on green buildings
A National Research Council expert panel recommends creating a large building performance database to improve the knowledge base about high-performance buildings. The study suggests that measuring energy and water use can help identify cost-effective sustainable practices, but more scientific study is needed to justify environmental ou...
Park amenities differ according to income of neighborhoods
Research found that park amenities in lower-income neighborhoods are often lacking, with more basketball courts and fewer trails. Higher-income areas tend to have more aesthetic features like water features or decorative landscaping, while middle-class areas have a mix of both.
First global assessment of land and water 'grabbing' published in national journal
A new study assesses global land and water grabbing, revealing its impact on food security in impoverished countries and the environment. The phenomenon has intensified due to rising world food prices, with Africa and Asia accounting for most grabbed area.
Desert Research Institute scientist selected to help guide next USGS, NASA Landsat Mission
Justin Huntington, a Desert Research Institute assistant research professor, has been selected to join the National Science Team supporting the new Landsat Data Continuity Mission Satellite. The team will focus on developing and enhancing Landsat derived evapotranspiration and surface energy products.
Analysis of Marcellus flowback finds high levels of ancient brines
A study by Penn State researchers has found high levels of ancient brines in Marcellus flowback water, which are consistent with brines formed during the Paleozoic era. The study highlights the importance of proper disposal and re-use of fracking fluids to prevent environmental contamination.
Sustainable cities must look beyond city limits
Researchers propose that cities link together to create a network of sustainable cities, analyzing how resources consumed within a city are sourced and transported. This approach aims to provide long-term resource security for cities while contributing to planetary stewardship.
Crayfish species proves to be the ultimate survivor
Red swamp crayfish, an invasive species introduced to enhance fisheries in East Africa, has been found to adapt and survive on terrestrial plants when water levels are low. This discovery highlights the species' incredible resilience and potential for further ecological damage.
Researchers pioneer game-changing approach for drought monitoring
Researchers at Arizona State University are developing a game-changing approach for drought monitoring using satellite detection and hydrologic models. The project aims to provide timely detection of drought events with high accuracy, enabling proactive decision-making for national water managers, irrigation districts, and policymakers.
Scientists correct Amazon water level gauges from space
The University of Bristol scientists developed a technique to calibrate six Amazon gauges using ICESat elevation data, correcting large discrepancies in water levels. This method enables researchers to accurately estimate water levels and river slope, crucial for understanding the exchange of water with floodplains and other processes.
UN scientists warn of increased groundwater demands due to climate change
Climate change is projected to put strain on global groundwater resources as precipitation decreases and people turn to groundwater for water needs. The UN-sponsored research emphasizes the importance of regulating and conserving non-renewable groundwater to ensure its sustainability.
NASA Landsat's thermal infrared sensor arrives at Orbital
The Thermal Infrared Sensor (TIRS) on the next Landsat satellite will detect Earth's temperature using quantum physics-based detector arrays. This technology enables accurate measurements of land and water usage, vital for managing Western US water consumption.
Lunar Reconnaissance Orbiter's LAMP reveals lunar surface features
The Lyman Alpha Mapping Project detects water frost and high surface porosities in lunar permanently shadowed regions, challenging previous assumptions about its loss and accumulation. This finding adds to the understanding of the Moon's water resources and supports future exploration and potential permanent base considerations.
Southampton researchers help to outline world's land and water resources for food and agriculture
Researchers from the University of Southampton contributed to a major UN report on the world's land and water resources for food and agriculture. The report notes that global food production is projected to increase by 70% globally and nearly 100% in developing countries, putting pressure on agricultural systems.
Study shows more shrubbery in a warming world
A NASA study using satellite data from Landsat missions has confirmed that warming temperatures in northern Quebec have resulted in an increase in shrubs and grasses over the past 20 years. The study provides a detailed view of how warmer temperatures are influencing plant distribution and density in northern areas of North America.
Embargoed news from Annals of Internal Medicine
The American College of Physicians advocates for a seventh ACGME/ABMS general competency on cost-conscious care. Meanwhile, research on Bisphenol A (BPA) exposure in relation to diabetes remains inconclusive. Additionally, local incidence data may improve the diagnosis of strep throat, which affects millions worldwide each year.
Warming streams could be the end for salmon
A study by UC Davis scientists predicts that warming streams will be fatal to spring-run Chinook salmon in California unless water management strategies are implemented. Reducing hydropower diversions during warmest times could preserve salmon populations for a few decades.
Testing the water for bioenergy crops
Researchers found that large-scale land conversion to bioenergy crops increases water use, reducing soil moisture and runoff but increasing atmospheric humidity. The study's results highlight the need to consider water demands in decision-making for energy production through bioenergy crops.
California groundwater management trickles up from local sources
Despite a decentralized system, some California water agencies are taking on groundwater protection without state leadership. Innovations include conservation strategies and increased transparency through partnerships with environmental organizations. However, critical overdraft issues remain due to over-pumping and subsidence concerns.
Land use change influences continental water cycle
Research by Ruud van der Ent shows that evaporation from the Amazon forest is responsible for 50% of rainfall in Peru and other surrounding countries. Land use changes such as irrigation, dams, and deforestation can alter evaporation patterns, affecting water resources in distant regions.
Scientists suggest independent monitoring of deep-sea hydrocarbon industry
Researchers argue that increased discussion is needed to monitor the ecological effects of human activities on deep-sea ecosystems. Advances in underwater monitoring equipment enable real-time data sharing, facilitating sustainable resource use and early warning systems.
Research on satellite imagery aims to advance sustainable agriculture
Researchers used satellite imagery and an artificial neural network to classify and monitor irrigated crops, achieving high accuracy rates. The study aims to promote sustainable agricultural practices and reduce water waste in Mediterranean countries.
Rock-paper-scissors tournaments explain ecological diversity
Researchers developed a mathematical model that proposes unlimited biodiversity in ecosystems with multiple competing species. The rock-paper-scissors tournament concept shows how species can co-exist without extinction, depending on the rarity of key species.
The lifeblood of leaves: Vein networks control plant patterns
Researchers have developed a mathematical model that predicts relationships among leaf functions based on three properties of the vein network: density, distance between veins, and number of loops. The study indicates that plants with denser vein networks can absorb more carbon while withstanding higher levels of water loss.
Invasive species -- the biggest threat to fish in the Mediterranean basin
A recent study found that invasive species and over-exploitation of water resources are the biggest threats to fish in the Mediterranean basin. The researchers used data on 232 fish species and their distribution range to show that fish communities are exposed to the greatest threat of extinction when these pressures are present.
NOAA awards grant to investigate impacts of land use and climate change on hypoxia in Green Bay
A team will evaluate watershed sources, lake water stratification, and wind conditions to develop a predictive model for potential changes in hypoxia. The results will help identify acceptable limits for nutrient levels to reduce hypoxia in Green Bay.
Public health students in oPt appeal for end to conflict and advances in research
In a letter to The Lancet, 35 public health students from Birzeit University in the oPt urge an end to the conflict and call for advancements in research capacity. They highlight the need for a comprehensive development system suitable for the population, with control over local resources and a coherent health system.
NASA completes critical design review of one Landsat instrument
NASA engineers have completed a critical design review of the Thermal Infrared Sensor (TIRS) instrument, which will help monitor water consumption in the U.S. West. TIRS will extend the Landsat database in the thermal infrared bands needed by various users, providing high-sensitivity cryogenically cooled detector arrays.
Water-related conflicts set to escalate
The world's waters are facing increasing pressure due to population growth, urbanization, and pollution, threatening food production and water resources. The Mekong River Basin is a prime example of water-related conflicts escalating over access to hydropower production and its impact on local livelihoods.
Bigger corn plants bully smaller neighbors in no-till fields
Researchers found that corn plants in no-till fields experience intense competition for sunlight, water, and nutrients, leading to reduced yields. The leftover corn residue creates patches of soil with lower temperatures and different nutrient content, resulting in significant height differences among plants.
California's troubled waters
Satellite-based findings reveal nearly enough water lost in California's Central Valley to fill Lake Mead, primarily due to increased irrigation. The region's groundwater storage is declining, with significant losses detected in the San Joaquin basin.
Plants prefer their kin, but crowd out competition when sharing a pot with strangers
A study by McMaster University reveals that plants prefer to share space with their own kind but divert resources towards leaves when paired with non-kin. This complex behavior allows siblings to access sunlight and compete more effectively for limited resources.
New NIST database on gas hydrates to aid energy and climate research
The new NIST database on gas hydrates provides a comprehensive collection of data on the properties of these naturally occurring crystalline materials, which are a potential energy resource and may affect the Earth's climate. The database contains over 12,000 individual data points for 150 compounds and 400 different chemical systems.
Key OSU water research receives national funding
A $226,890 grant will fund a study on the effects of eastern redcedar encroachment on Oklahoma's tallgrass prairie ecosystem, which can alter precipitation and water loss patterns. The research aims to provide insights for land managers to better understand the impact of woody plant proliferation on water availability.
Smaller plants punch above their weight in the forest, say Queen's biologists
Smaller plant species thrive under the canopies of large host plants, utilizing resources and establishing quickly. This challenges traditional views on the role of plant size in competitive ability and community assembly.
Army study improves ability to predict drinking water needs
A new Army study has improved the ability to predict drinking water needs for troops, potentially cutting costs of operations and improving civilian water planning. The study produced formulations that are 58-65% more accurate than the existing Shapiro equation in laboratory settings.
Crop models help increase yield per unit of water used
A series of symposium papers explore AquaCrop and other agronomic models that estimate water use efficiency under varying conditions. The models were shown to adequately simulate WUE under well-watered conditions but tend to overestimate or underestimate WUE under water stress, limiting their usefulness for deficit irrigation scenarios.
Lunar prospecting robot to be field tested on Hawaii's Mauna Kea
Scarab, a robotic system designed for lunar prospecting, will simulate a lunar mission to extract water, hydrogen, and oxygen from Hawaii's Mauna Kea. The robot will use a Canadian-built drill to obtain geologic cores, which will be chemically analyzed on-board instruments developed by NASA.
Understanding the desire for 'freshness' -- a first step towards saving water
The new strategy focuses on reducing per capita consumption from 150 litres to 130 litres per day, emphasizing the need for a sociological perspective to understand water usage habits. The report explores the role of metering and price signals in encouraging water efficiency, as well as the development of rising block tariffs.
New evidence from earliest known human settlement in the Americas
The Monte Verde site in southern Chile provides conclusive evidence of the earliest known human settlement in the Americas, dating back to 14,220 years ago. The discovery supports the theory that early migrants followed the Pacific Coast and confirms the peopling of the Americas was a slower process than previously thought.
Inaugural Kirkham Gold Medal presented to expert on soil physics
Donald R. Nielsen, University of California-Davis professor, is recognized for his groundbreaking work in linking theory with field measurements and spatial variability of agricultural soils. He has guided 37 students through graduate degrees and authored over 300 scientific publications.
Using ground-penetrating radar to observe hidden underground water processes
Researchers present applications of radar technology for exploring water beneath the surface, addressing soil erosion, groundwater depletion, and pollution. GPR-derived dielectric permittivity is used as a surrogate measure for soil water content, providing high-resolution subsurface images.
Climate influence on deep sea populations
Researchers reveal a climate-driven phenomenon that reverses overexploitation of deep-sea resources, enhancing recruitment and total landings of the shrimp Aristeus antennatus. This finding has significant socio-economic impact and highlights the importance of considering global cascading effects on biological processes.