Article
Geosciences, Multidisciplinary
Dominik Jackisch, Bi Xuan Yeo, Adam D. Switzer, Shaoneng He, Danica Linda M. Cantarero, Fernando P. Siringan, Nathalie F. Goodkin
Summary: This study shows that precipitation isotopic variation in Metropolitan Manila is closely related to tropical cyclones, with Typhoon Rammasun causing the most significant shift in isotopic values. The average isotopic value of precipitation associated with cyclones is lower than that associated with non-cyclone events. Additionally, the proximity of the storm track to the sampling site is directly linked to more negative isotopic values, indicating the potential for in situ isotope measurements to provide insight into typhoon activities in the Philippines.
NATURAL HAZARDS AND EARTH SYSTEM SCIENCES
(2022)
Article
Multidisciplinary Sciences
Marta Zaniolo, Matteo Giuliani, Scott Sinclair, Paolo Burlando, Andrea Castelletti
Summary: The timing and operations of dam filling can lead to conflicts associated with the dam's lifetime, which can be mitigated by adaptive solutions responding to hydroclimatic fluctuations. Study findings from the Gibe III dam filling show the benefits of adaptive strategies in achieving hydropower production while minimizing negative impacts on downstream users.
NATURE COMMUNICATIONS
(2021)
Article
Environmental Sciences
Jabbar Khaledi, Craig Nitschke, Patrick N. J. Lane, Trent Penman, Petter Nyman
Summary: This study examined the influence of climate variability modes on rainfall and streamflow in temperate Australia, finding divergent impacts of climate modes on streamflow and rainfall between and within regions. It also highlighted the importance of factors other than atmosphere-ocean phenomena in determining interannual streamflow variability in the temperate zone of Australia. The study provides new insights into the regional drivers of hydrological extremes and the role of teleconnections on water availability.
WATER RESOURCES RESEARCH
(2022)
Article
Agriculture, Multidisciplinary
Torsten Krause, Julika Lamp, Karin Knappstein, Hans-Georg Walte, Jan-Louis Moenning, Joachim Molkentin, Florian Ober, Andreas Susenbeth, Edwin Westreicher-Kristen, Karl-Heinz Schwind, Sven Daenicke, Peter Fuerst, Hans Schenkel, Robert Pieper, Jorge Numata
Summary: The metabolic state of high-yielding cows significantly affects the transfer rates of PCDD/Fs and PCBs, with higher transfer rates during the negative energy balance phase compared to the positive energy balance phase. Furthermore, the milk yield of the exposed cows is not the sole determining factor for the transfer of these contaminants into milk.
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
(2023)
Article
Environmental Sciences
Neal Hughes, Mihir Gupta, Linden Whittle, Tim Westwood
Summary: Water markets in the Australian southern Murray-Darling Basin (sMDB) have become an important institutional response to water scarcity and environmental problems. These markets enable water trading among users and regions and also support intertemporal transfers via carryover of water allocations. A statistical model of water demand is used in an economic framework to assess the benefits of interregional water trading and interyear carryover. Results show that around one-third of the economic benefits of water markets in the region can be attributed to interyear carryover.
WATER RESOURCES RESEARCH
(2023)
Article
Meteorology & Atmospheric Sciences
Josiel dos Santos Silva, Jorio Bezerra Cabral Jr, Daniele Torres Rodrigues, Fabricio Daniel dos Santos Silva
Summary: The main objective of this study was to characterize the monthly and annual profiles of maximum, minimum, and average air temperatures and to identify significant trends in the time series. The results showed increasing trends in average, maximum, and minimum temperatures in all sub-regions, with the highest increases observed in the scrubland region.
THEORETICAL AND APPLIED CLIMATOLOGY
(2023)
Article
Meteorology & Atmospheric Sciences
Lianlian Xu, Tuantuan Zhang, Aihui Wang, Wei Yu, Song Yang
Summary: Southeast Asia experiences heavy precipitation, which provides substantial energy for global atmospheric circulation. Through classification analysis, three extreme precipitation patterns and five total precipitation patterns during the summer in Southeast Asia are identified. These patterns are closely related to sea surface temperature anomalies in different regions. Comparing extreme and total precipitation can enhance our understanding of regional variabilities and relationships, as well as their global impacts.
JOURNAL OF CLIMATE
(2022)
Article
Meteorology & Atmospheric Sciences
Benjamin A. Cash, Natalie J. Burls, Laila V. Howar
Summary: In early 2018, Cape Town faced the risk of running out of water due to a severe and unexpected drought. Analyzing data from the North American Multimodel Ensemble (NMME), it was found that there were significant correlations between Cape Town rainfall and sea surface temperatures in the tropical Atlantic, as well as a pattern resembling the Southern Annular Mode (SAM). However, the models failed to reproduce correlations between Cape Town rainfall and the tropical South Atlantic, indicating a lack of predictability.
JOURNAL OF CLIMATE
(2023)
Article
Meteorology & Atmospheric Sciences
Winifred A. Atiah, Leonard K. Amekudzi, Robert A. Akum, Emmanuel Quansah, Philip Antwi-Agyei, Sylvester K. Danuor
Summary: Rain-fed agriculture is crucial for livelihoods in sub-Saharan Africa, with Ghana heavily reliant on it for employment and GDP contribution. However, limited research on the impacts of climate variability on crop yield in the region hinders policy planning to address threats to crop production. This particular study in Ghana highlights the vulnerability of maize yield to climatic factors and underscores the need for investment in climate-smart agricultural technologies to maximize productivity.
QUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETY
(2022)
Article
Engineering, Civil
Pardis Ziaee, Mohammad Javad Abedini
Summary: This study investigates the influence of rainfall variability in time and space, as well as the location of storm center, on catchment outflow hydrograph. The findings demonstrate that the storm center location has a significant impact on the characteristics of the outflow hydrograph, with closer proximity to the outlet resulting in increased peak magnitude and decreased time to peak. The spatiotemporal resolution of the monitoring network also affects the hydrograph characteristics, particularly the peak magnitude, with lower resolutions leading to underestimation of peak and overestimation of time to peak.
WATER RESOURCES MANAGEMENT
(2023)
Article
Water Resources
Afaf Bouklikha, Mohammed Habi, Abdelkader Elouissi, Saaed Hamoudi
Summary: The study, based on monthly rainfall data from 17 stations in the Tafna catchment (North West of Algeria), reveals a decreasing trend in precipitation during February to May at all stations, as well as a downward trend in winter and spring rainfall in most stations.
APPLIED WATER SCIENCE
(2021)
Article
Environmental Sciences
Farirai Rusere, Lori Hunter, Mark Collinson, Wayne Twine
Summary: Ongoing climate changes may affect household food security in rainfed subsistence agriculture-dependent rural households. This study examines the relationship between summer climate variability and household food security in rural Mpumalanga, South Africa. The results indicate that high inter-annual rainfall variability has a significant impact on food security, affecting food consumption, dietary diversity, and hunger. This research provides valuable insights on the association between dietary diversity, food availability, and overall food security, emphasizing the importance of seasonal forecasts and government interventions to alleviate food insecurity in rural areas.
ENVIRONMENTAL DEVELOPMENT
(2023)
Article
Meteorology & Atmospheric Sciences
Kevin Schwarzwald, Andrew Poppick, Maria Rugenstein, Jonah Bloch-Johnson, Jiali Wang, David McInerney, Elisabeth J. Moyer
Summary: Changes in precipitation variability may increase more steeply than its mean in future climate projections, leading to concerns about societal impacts. At local scales, changes in precipitation distributions are complex, while at aggregated scales they become simpler. Precipitation variability changes are especially concerning in subtropical regions.
JOURNAL OF CLIMATE
(2021)
Article
Engineering, Civil
Lalit Pal, Chandra Shekhar Prasad Ojha, A. P. Dimri
Summary: The study reveals a widespread decline in seasonal rainfall events in India over the past few decades, especially in major crop-growing regions. Light to moderate rainfall events have decreased in all seasons, while trends in extreme rainfall events show varying patterns of increase and decrease in different regions. The observed changes in rainfall frequency trends have exceeded natural variability.
JOURNAL OF HYDROLOGY
(2021)
Article
Geosciences, Multidisciplinary
Albert Nkwasa, Celray James Chawanda, Jonas Jagermeyr, Ann van Griensven
Summary: Most hydrological models fail to accurately represent crop cultivation and management practices. This study presents an approach to incorporate crop phenology in a regional hydrological model and evaluates its impact on simulations. The results show that improved representation of crop phenology leads to better simulation results.
HYDROLOGY AND EARTH SYSTEM SCIENCES
(2022)