Academic literature on the topic 'Intensity of simulated rainfall'

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Journal articles on the topic "Intensity of simulated rainfall"

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Lasisi, M. O., F. F. Akinola, and O. R. Ogunjimi. "MODIFICATION AND PERFORMANCE EVALUATION OF A SMALL-SCALE RAINFALL SIMULATOR." International Journal of Agriculture, Environment and Bioresearch 07, no. 03 (2022): 207–14. http://dx.doi.org/10.35410/ijaeb.2022.5736.

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Rainfall simulator is an essential tool to simulate natural rainfall accurately and precisely. A reliable, accurate and portable small scale rainfall simulator is required for runoff, infiltration, sediment generation and erosion studies. And this has been used extensively to gather runoff, infiltration and erosion data in both laboratory and field experiments. This study was conducted to determine rainfall intensity, rainfall drop sizes and erosivity. An existing rainfall simulator was modified to be easily assembled, transported and maintained as well as to create a variety of rainfall regim
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Jan, Petrů, and Kalibová Jana. "Measurement and computation of kinetic energy of simulated rainfall in comparison with natural rainfall." Soil and Water Research 13, No. 4 (2018): 226–33. http://dx.doi.org/10.17221/218/2016-swr.

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Rainfall characteristics such as total amount and rainfall intensity (I) are important inputs in calculating the kinetic energy (KE) of rainfall. Although KE is a crucial indicator of the raindrop potential to disrupt soil aggregates, it is not a routinely measured meteorological parameter. Therefore, KE is derived from easily accessible variables, such as I, in empirical laws. The present study examines whether the equations which had been derived to calculate KE of natural rainfall are suitable for the calculation of KE of simulated rainfall. During the experiment presented in this paper, th
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Xiao, Pei Qing, Wen Yi Yao, and Chang Gao Wang. "Soil Erosion Process in Sloped Shrub Plots under Simulated Rainfall." Advanced Materials Research 347-353 (October 2011): 2094–97. http://dx.doi.org/10.4028/www.scientific.net/amr.347-353.2094.

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Runoff, sediment yield and infiltration process of shrub plots were studied under rainfall intensities of 45, 87 and 127 mm/h with 20° slope gradient using simulated rainfall experiment. The results showed that cumulative runoff and cumulative sediment yield of shrub plot had an obvious positive correlation with rainfall time. Under rainfall intensity of 45 mm/h, runoff and sediment yield of shrub plot kept a constant level. Under rainfall intensity of 87 mm/h, runoff kept a fluctuant increase, whereas sediment yield basically kept steady. Under rainfall intensity of 127 mm/h, runoff and sedim
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Bedaiwy, M. N., and D. E. Rolston. "Soil surface densification under simulated high intensity rainfall." Soil Technology 6, no. 4 (1993): 365–76. http://dx.doi.org/10.1016/0933-3630(93)90026-b.

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Souza, Fábio Suano de, and Ciro Antonio Rosolem. "Rainfall intensity and Mepiquat Chloride persistence in cotton." Scientia Agricola 64, no. 2 (2007): 125–30. http://dx.doi.org/10.1590/s0103-90162007000200004.

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In some regions where cotton is grown in Brazil rainfall amounts to about 2,000 mm per year, which imposes a great risk for Mepiquat Chloride (MP) to be washed from cotton leaves before being absorbed. The objective of this research was to evaluate the MC persistence when applied on cotton plants submitted to different rain intensities after spraying. The treatments were three MC rates: 0, 15.0 and 30.0 g a.i. ha-1 and four simulated rainfalls, applied 90 minutes after MC spraying: 5, 10, 20 and 40 mm, plus a treatment without rain. Cotton plants of the cv. Delta Opal were grown in 12 L pots f
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Guan, K., S. P. Good, K. K. Caylor, H. Sato, E. F. Wood, and H. Li. "Continental-scale impacts of intra-seasonal rainfall variability on simulated ecosystem responses in Africa." Biogeosciences Discussions 11, no. 5 (2014): 7575–613. http://dx.doi.org/10.5194/bgd-11-7575-2014.

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Abstract. Climate change is expected to result in an increase of intra-seasonal rainfall variability, which has arisen from concurrent shifts in rainfall frequency, intensity and seasonality. Changes in intra-seasonal rainfall variability are likely to have important ecological impacts for terrestrial ecosystems, and quantifying these impacts across biomes and large climate gradients is required for a better prediction of ecosystem services and their responses to climate change. Here we use a synthetic weather generator and an advanced vegetation dynamic model (SEIB-DGVM) to virtually conduct
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Sansom, John, and James A. Renwick. "Climate Change Scenarios for New Zealand Rainfall." Journal of Applied Meteorology and Climatology 46, no. 5 (2007): 573–90. http://dx.doi.org/10.1175/jam2491.1.

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Abstract In terms of the effects of future climate change upon society, some of the most important parameters to estimate are associated with changing risks of extreme rainfall events, both floods and droughts. However, such aspects of the climate system are hard to estimate well using general circulation models (GCMs)—in particular, for a small mountainous landmass such as New Zealand. This paper describes a downscaling technique using broad-scale changes simulated by GCMs to select past analogs of future climate. The analog samples are assumed to represent an unbiased sample of future rainfa
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Guan, K., S. P. Good, K. K. Caylor, H. Sato, E. F. Wood, and H. Li. "Continental-scale impacts of intra-seasonal rainfall variability on simulated ecosystem responses in Africa." Biogeosciences 11, no. 23 (2014): 6939–54. http://dx.doi.org/10.5194/bg-11-6939-2014.

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Abstract. Climate change is expected to modify intra-seasonal rainfall variability, arising from shifts in rainfall frequency, intensity and seasonality. These intra-seasonal changes are likely to have important ecological impacts on terrestrial ecosystems. Yet, quantifying these impacts across biomes and large climate gradients is largely missing. This gap hinders our ability to better predict ecosystem services and their responses to climate change, especially for arid and semi-arid ecosystems. Here we use a synthetic weather generator and an independently validated vegetation dynamic model
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Isidoro, Jorge M. G. P., and João L. M. P. de Lima. "Hydraulic system to ensure constant rainfall intensity (over time) when using nozzle rainfall simulators." Hydrology Research 46, no. 5 (2015): 705–10. http://dx.doi.org/10.2166/nh.2015.087.

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Rainfall simulation is widely used in the laboratory and in field work to produce artificial rainfall for small-scale surface hydrology and soil erosion studies. Simulated rainfall produced by simulators must be predictable, accurate and consistent to be useful to model the related physical processes. Pressure fluctuations in the water supply system frequently cause variation in rainfall intensity during simulated events. This study describes a hydraulic system that is attached to the outlet (nozzle) of a rainfall simulator to ensure constant pressure and discharge, which consequently facilita
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Umer, Yakob, Janneke Ettema, Victor Jetten, Gert-Jan Steeneveld, and Reinder Ronda. "Evaluation of the WRF Model to Simulate a High-Intensity Rainfall Event over Kampala, Uganda." Water 13, no. 6 (2021): 873. http://dx.doi.org/10.3390/w13060873.

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Simulating high-intensity rainfall events that trigger local floods using a Numerical Weather Prediction model is challenging as rain-bearing systems are highly complex and localized. In this study, we analyze the performance of the Weather Research and Forecasting (WRF) model’s capability in simulating a high-intensity rainfall event using a variety of parameterization combinations over the Kampala catchment, Uganda. The study uses the high-intensity rainfall event that caused the local flood hazard on 25 June 2012 as a case study. The model capability to simulate the high-intensity rainfall
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Dissertations / Theses on the topic "Intensity of simulated rainfall"

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Montebeller, Claudinei Antonio. "Influência dos perfis de precipitação nas perdas de solo e água." Universidade Federal de Viçosa, 2009. http://locus.ufv.br/handle/123456789/661.

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Made available in DSpace on 2015-03-26T12:31:10Z (GMT). No. of bitstreams: 1 texto completo.pdf: 3461017 bytes, checksum: c343053cbc2e3541876491e2e17050a4 (MD5) Previous issue date: 2009-08-10<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>Rainfall is considered the main climatic factor related to the degradation of agricultural lands, and among their characteristics the intensity stands out as the main conditioning factor of the erosive process. The present work had the objective of evaluating the influence of different precipitation profiles in the soil and water losse
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Bobe, Bedadi Woreka. "Evaluation of soil erosion in the Harerge region of Ethiopia using soil loss models, rainfall simulation and field trials." Thesis, University of Pretoria, 2004. http://hdl.handle.net/2263/26929.

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Accelerated soil erosion is one of the major threats to agricultural production in Ethiopia and the Harerge region is not exceptional. It is estimated that about 1.5 billion tones of soil is being eroded every year in Ethiopia. In the extreme cases, especially for the highlands, the rate of soil loss is estimated to reach up to 300 t ha-1yr-1 with an average of about 70 t ha -1yr-1 which is beyond any tolerable level. The government have made different attempts to avert the situation since 1975 through initiation of a massive program of soil conservation and rehabilitation of severely degraded
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Herůfek, Marek. "Vývoj metody pro hodnocení retenčních vlastností vegetačních střech." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240252.

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This diploma thesis deals with the development of methods for evaluating retention features of green roofs. For the purpose of this thesis, a rainfall simulator was designed and various types of precipitation were examined. The thesis is divided into two main parts: a theoretical part and a practical part. In the theoretical part, the importance of water retention on green roofs is discussed. In addition, a physical theory related to this topic is included and various rainfall simulators used for scientific experiments in the Czech Republic and abroad are described. The practical part deals wi
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Patron, Glenda G. "Joint probability distribution of rainfall intensity and duration." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-06232009-063226/.

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Mongwa, Themba. "Rainfall intensity, kinetic energy and erosivity of individual rainfall events on the island of Mauritius." Thesis, University of Fort Hare, 2011. http://hdl.handle.net/10353/452.

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On most tropical volcanic islands the risk for soil erosion is enhanced due to a complex topography, high intensity rainfall and the exploitation of land for agriculture. Mauritius is a typical maritime tropical volcanic island with a distinct elevated interior. Rainfall is dominated by tropical weather systems and trade winds and the island is under intensive cultivation. Rainfall depth, duration, intensity, kinetic energy and erosivity were analysed for 385 erosive rainfall events at five locations over a five year period (2004 to 2008) on the island of Mauritius. Two stations located on the
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DeBano, Leonard F., and Malchus B. Jr Baker. "Runoff and Erosion from Hydrophobic Forest Soils During Simulated Rainfall." Arizona-Nevada Academy of Science, 1998. http://hdl.handle.net/10150/296500.

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Sumner, Neil R. "Calibration of a conceptual rainfall-runoff model using simulated annealing." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 1995. https://ro.ecu.edu.au/theses/1169.

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Simulated annealing (Kirkpatrick et al, 1983) is used to estimate the parameters of a mathematical model that predicts the water yield from a catchment. The calibration problem involves finding the global minimum of a multivariate function that has many extraneous local minima, a situation in which conventional optimisation methods are ineffective. The objective function which quantifies discrepancies between the computed and observed streamflows must be carefully selected to satisfy the least square assumptions. Several published simulated annealing algorithms have been implemented, tested an
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Eckersten, Sofia. "Updating Rainfall Intensity-Duration-Frequency Curves in Sweden Accounting for the Observed Increase in Rainfall Extremes." Thesis, Uppsala universitet, Luft-, vatten och landskapslära, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-283714.

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Increased extreme precipitation has been documented in many regions around the world, in- cluding central and northern Europe. Global warming increases average temperature, which in turn enhances atmospheric water holding capacity. These changes are believed to increase the frequency and/or intensity of extreme precipitation events. In determining the design storm, or a worst probable storm, for infrastructure design and failure risk assessment, experts commonly assume that statistics of extreme precipitation do not change significantly over time. This so- called notion of stationarity assumes
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Rowe, Grant. "Impact of warm-up intensity on simulated team-sport running performance." Thesis, Australian Catholic University, 2014. https://acuresearchbank.acu.edu.au/download/b5e8ef240ac14e95441ff86fe4b43dd0f17af74180738270500f5b2380a26c0c/923760/ROWE2014.pdf.

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Ideally, warm-ups optimise performance; however, most warm-ups are prescribed based on trial and error rather than applying an evidence-based approach (Fradkin, Zazryn, & Smoliga, 2010). The most appropriate warm-up strategy for optimal team-sport performance remains elusive. While the impact of warm-up intensity on repeated-sprint performance has been examined (Yaicharoen, Wallman, Bishop, & Morton, 2012), sprinting only constitutes a fraction of the total activity that occurs during a match. Optimising submaximal efforts (e.g. jogging, running) between sprints may impact performance by ensur
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Castillo, Jean M. "Duration-rainfall intensity equations : study of IDF curves using local precipitation data /." Available to subscribers only, 2006. http://proquest.umi.com/pqdweb?did=1203570521&sid=23&Fmt=2&clientId=1509&RQT=309&VName=PQD.

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Books on the topic "Intensity of simulated rainfall"

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Hogg, W. D. Rainfall intensity-duration frequency values for Canadian locations. Environment Canada, Atmospheric Environment Service, 1989.

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Purvis, John C. Maximum rainfall intensity in South Carolina by county. South Carolina State Climatology Office, 1988.

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Toronto, University of, ed. Rainfall intensity-duration-frequency curves for Ontario locations. University of Toronto, 1985.

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E, Dowling Norman, and Langley Research Center, eds. Verification of rain-flow reconstructions of a variable amplitude load history. National Aeronautics and Space Administration, Langley Research Center, 1992.

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E, Dowling Norman, and Langley Research Center, eds. Verification of rain-flow reconstructions of a variable amplitude load history. National Aeronautics and Space Administration, Langley Research Center, 1992.

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Magni, Nelson Luiz Goi. Precipitações intensas no estado de São Paulo. Centro Tecnológico de Hidráulica, Departamento de Aguas e Energia Elétrica, Escola Politécnica da Universidade de São Paulo, 1986.

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Zahar, Yadh. Eléments d'hydrologie pour l'aménagement: Modélisation spatiale et temporelle des précipitations extrêmes et érosives en Tunisie centrale. Université des lettres, des arts et des sciences humaines, Tunis I, Faculté des lettres de la Manouba, 1997.

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Air Resources Laboratory (U.S.), ed. Precipitation frequency and intensity at the Idaho National Engineering Laboratory. U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Environmental Research Laboratories, Air Resources Laboratory, 1996.

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Min-ho, Yi. Kangu kwanch'ŭk chŏnghwakto hyangsang e kwanhan yŏn'gu: Study for improvement of rainfall measurement accuracy. Kukt'o Haeyangbu Han'gang Hongsu T'ongjeso, 2010.

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Khaladkar, R. M. Alarming rise in the number and intensity of extreme point rainfall events over the Indian region under climate change scenario. Indian Institute of Tropical Meteorology, 2009.

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Book chapters on the topic "Intensity of simulated rainfall"

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Nakata, Alessandra M., Kazuo Konagai, and Ryo Onishi. "Multiple Landslides in an Area Draped in Volcanic Matters: The Dual Impacts of Rains and Earthquakes." In Progress in Landslide Research and Technology, Volume 3 Issue 1, 2024. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-55120-8_6.

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AbstractThe devastating 2018 Hokkaido Eastern Iburi Earthquake, with a moment magnitude (Mw) of 6.7, inflicted significant damage in the eastern part of Hokkaido, Japan, resulting in the tragic loss of 41 lives, with landslides accounting for 36 fatalities. The mountainous epicentral regions experienced a high number of landslides, primarily induced by the movement of tephra strati originating from eruptions associated with Shikotsu Caldera, Mt. Tarumae, and Mt. Eniwa. The combined intensity of the earthquake and the accumulation of rainfall played crucial roles in initiating these landslides.
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Bandara, H. A. A. I. S., and Ryo Onishi. "High Resolution Numerical Weather Simulation for Orographic Precipitation as an Accurate Early Warning Tool for Landslide Vulnerable Terrains." In Progress in Landslide Research and Technology. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-44296-4_11.

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AbstractAccurate early warning for rain-induced landslides is still challenging due to regional and local variations of rainfall prediction due to low accuracy, and resolution. The “Multi-Scale Simulator for the Geoenvironment (MSSG)” system, developed by the Tokyo Institute of Technology, Japan Agency for Marine-Earth Science and Technology and Waseda University allows for high-resolution simulations and seamless modeling of weather and climate interactions, and employs advanced meteorological aspects.MSSG simulations compared with rainfall data recorded in the Aranayaka automated rain gauge
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Onishi, Ryo, H. A. A. I. S. Bandara, and Koki Matsumoto. "High-Resolution Rainfall Simulations for Early Warning of Rain-Induced Rapid Long-Traveling Landslides in Sri Lanka." In Progress in Landslide Research and Technology. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-72736-8_10.

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AbstractReliable rainfall prediction is a key for successful early warning of rain-induced long-traveling landslides. This study assesses the rainfall prediction skill of a high-resolution weather prediction model named the Multi-Scale Simulator for the Geoenvironment (MSSG). The rainfall accumulation is more crucial rather than hour-to-hour rainfall intensity for long-traveling landslide. Three heavy rain events, which caused devastating landslide events in Sri Lanka, are chosen for the assessment: (i) Aranayaka in 2016, (ii) Rilpola in 2017 and (iii) Kiribathgala in 2014. The raingaunge obse
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Guo, Ying, Yating Du, Wei Shan, and Chengcheng Zhang. "Numerical Analysis of the Effect of Rainfall on the Stability of Sandstone-Covered Mudstone Cutting Slopes." In Progress in Landslide Research and Technology. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-44296-4_15.

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AbstractLandslides caused by rainfall are easily produced when excavating is made in sandstone-covered mudstone strata. The expansion project of the Heishan Village to the Jixi section of the Dan-A Highway is used as an example, this International Consortium on Landslides (ICL) 030 paper studies the formation and damage mechanism of rainfall-induced landslides in sandstone-covered mudstone cutting slopes. The finite element numerical method is used to analyze the stability of the slope for the three different rainfall-influencing factors of rainfall intensity, duration, and rainfall form. The
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Ehigiator, O. A., and B. U. Anyata. "An Exponential Rainfall Depth-Intensity Formulation for Western Nigeria." In Advanced Materials Research. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-450-2.557.

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Susilowati, S., S. A. Edo Ganang, Antonius Situmorang, and Maulana Mansur. "Development Of Rainfall Intensity Duration Frequency for Java Island." In Proceedings of the 1st International Conference on Industry Science Technology and Sustainability (IConISTS 2023). Atlantis Press International BV, 2024. http://dx.doi.org/10.2991/978-94-6463-475-4_18.

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Bénina, Touaibia, Khelfi Mohamed El Amine, and Saeid Eslamian. "Establishment of Rainfall Intensity-Duration-Frequency Curves in Algeria." In Flood Handbook. CRC Press, 2022. http://dx.doi.org/10.1201/9781003262640-21.

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Gbode, Imoleayo E., Vincent O. Ajayi, Kehinde O. Ogunjobi, Jimy Dudhia, and Changhai Liu. "Impacts of Global Warming on West African Monsoon Rainfall." In African Handbook of Climate Change Adaptation. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45106-6_93.

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AbstractThe impacts of global warming on rainfall in West Africa were examined using a numerical framework for 5 monsoon years (2001, 2007, 2008, 2010, and 2011). Rainfall characteristics over the three climatic zones, Guinea coast, Savannah, and Sahel, were analyzed. The potential changes associated with global warming were assessed by the pseudo-global warming (PGW) downscaling method. Multiple PGW runs were conducted using climate perturbation from the 40-member ensemble of the Community Earth System Model version 1 (CESM1) coupled with Community Atmospheric Model version 5.2 (CAM5.2) compo
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Chatterjee, Dooradarshi, and A. Murali Krishna. "Stability of Two-Layered Earth Slope Under Varying Rainfall Intensity." In Lecture Notes in Civil Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-0890-5_31.

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Kumbhakar, Manotosh, and Vijay P. Singh. "Richards Equation under Gravity-Driven Infiltration and Constant Rainfall Intensity." In Homotopy-Based Methods in Water Engineering. CRC Press, 2023. http://dx.doi.org/10.1201/9781003368984-9.

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Conference papers on the topic "Intensity of simulated rainfall"

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Xu, Nianfu, Kegen Yu, Changyang Wang, Kun Zhang, and Nanshan Zheng. "Spaceborne GNSS-R Sea Surface Rainfall Intensity Retrieval Considering the Effects of Wind and Wave." In IGARSS 2024 - 2024 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2024. http://dx.doi.org/10.1109/igarss53475.2024.10642864.

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Pinem, Agusta Praba Ristadi, Basworo Ardi Pramono, and Nur Wakhidah. "Impact of Rainfall Intensity on Soil Erosion: A RUSLE-Based Study of the Serayu Watershed." In 2024 3rd International Conference on Creative Communication and Innovative Technology (ICCIT). IEEE, 2024. http://dx.doi.org/10.1109/iccit62134.2024.10701104.

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Agosta, Martina, Vincenzo Bagarello, Gaetano Caltabellotta, Francesco Giuseppe Carollo, Girolamo Vaccaro, and Vincenzo Pampalone. "Theoretical prediction of rainfall intensity for a small rainfall simulator." In 2022 IEEE International Workshop on Metrology for Agriculture and Forestry (MetroAgriFor). IEEE, 2022. http://dx.doi.org/10.1109/metroagrifor55389.2022.9965068.

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Edip, Kemal, Davor Stanko, Julijana Bojadjieva, Radmila Shalic-Makreska, and Vlatko Sheshov. "EFFECTS OF GROUND MOTION INTENSITY IN ASSESSMENT OF SOIL SLOPES IN EARTHFILL DAM." In 3rd Croatian Conference on Earthquake Engineering. University of Zagreb Faculty of Civil Engineering, 2025. https://doi.org/10.5592/co/3crocee.2025.27.

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Major earthquakes cause displacements primarily due to seismic accelerations, which affect the frictional strength of underlying soils. It is anticipated that the total displacement of sloped soils in earthfill dams triggered by an earthquake is influenced by the magnitude and frequency of the seismic event. This underscores the importance of numerical simulations that incorporate a broader range of input accelerations. This study examines various earthquake scenarios with differing magnitudes and frequencies that impact a slope of an earth dam prone to landslides. Effective and efficient mode
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Heshani, P. H. T. D., H. G. L. N. Gunawardhana, and J. Sirisena. "Incorporating rainfall projections into hydrological modeling for enhanced design hydrograph estimation." In Civil Engineering Research Symposium 2024. Department of Civil Engineering, University of Moratuwa, 2024. http://dx.doi.org/10.31705/cers.2024.26.

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In the context of changing climate conditions, the design of hydrographs faces increasing uncertainties due to shifts in precipitation patterns, hydrological regimes, and a rise in extreme weather events. This study assesses potential uncertainties in design hydrographs linked to future climate change in the Kalu River Basin, Sri Lanka, focusing on the Ellagawa sub-basin. The Hydrologic Engineering Center's Hydrologic Modeling System (HEC-HMS) was selected based on a comprehensive literature review to account for anticipated changes in rainfall patterns and their impact on streamflow. Seven pr
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Hassanpour, Pezhman. "Model of a Fluid-Level System for the Design and Analysis of Detention Basins Considering Recent Weather Extreme Events and Historic Precipitation Data." In ASME 2023 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/imece2023-116564.

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Abstract Engineering systems such as flood control dams and storm drain systems are designed to adhere to specific requirements outlined in engineering design codes. These codes heavily rely on local historic climate and precipitation data, which are updated every few years. However, the revision cycles of engineering codes and climate data are not necessarily synchronized. Consequently, it can take a decade or more for a shift in historic climate data to be reflected in the engineering codes. Meanwhile, climate change has increased the frequency and severity of extreme weather conditions. To
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Hu, Weifei, Weiyi Chen, Xiaobo Wang, Zhenyu Liu, Jianrong Tan, and Yeqing Wang. "Wind Turbine Blade Coating Fatigue Induced by Raindrop Impact." In ASME 2020 Power Conference collocated with the 2020 International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/power2020-16510.

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Abstract With the increase of wind energy production demand, the need to manufacture larger wind turbine blades is on the rise. Because of the high tip speed of the large blade, the blade could be impacted by high-speed objects such as raindrops. This research focuses on developing a computational model for analyzing wind turbine blade coating fatigue induced by raindrop impact. A stochastic rain texture model is used to simulate a realistic rain event determined by a rain intensity and a rain duration. A smoothed particle hydrodynamic approach is implemented to calculate the impact stress con
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Tauro, Flavia, Matteo Aureli, Maurizio Porfiri, and Salvatore Grimaldi. "Buoyant Fluorescent Particles as a Novel Sensing Technology for Field Observations of Water Flows." In ASME 2011 Dynamic Systems and Control Conference and Bath/ASME Symposium on Fluid Power and Motion Control. ASMEDC, 2011. http://dx.doi.org/10.1115/dscc2011-5963.

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In this paper, we investigate the feasibility of off-the-shelf buoyant fluorescent microspheres as particle tracers in turbid water flows. Microspheres’ fluorescence intensity is experimentally measured and detected in static aqueous suspensions of increasing concentrations of clay to simulate typical conditions of natural drainage networks. We conduct experiments by using photoconductive cells and image-based sensing methods. Results obtained with both approaches exhibit comparable trends and show that the considered particles are detectable in critically turbid water flows. Further informati
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Cerdà, Artemi, and Enric Terol. "SUSTAINABLE AGRICULTURE MANAGEMENTS TO CONTROL SOIL EROSION." In 3rd Congress in Geomatics Engineering. Universitat Politècnica de València, 2021. http://dx.doi.org/10.4995/cigeo2021.2021.13258.

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High rates of soil erosion compromise sustainable agriculture. In rainfed agricultural fields, erosion rates several orders ofmagnitude higher than the erosion rates considered tolerable have been quantified. In Mediterranean rainfed crops suchas vineyards, almonds and olive groves, and in the new sloping citrus and persimmon plantations, the rates of soil lossmake it necessary to apply measures to reduce them to avoid collapse in agricultural production. Managements such asweeds, catch crops and mulches (straw and pruning remains) are viable options to achieve sustainability. This work applie
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Etri, Talal, Ghazi Al-Rawas, Ahmad Sana, and Mohammad Reza Nikoo. "Numerical Simulation of Climate Change Impacts on the Coast of Oman." In The 2nd International Conference on Civil Infrastructure and Construction. Qatar University Press, 2023. http://dx.doi.org/10.29117/cic.2023.0151.

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It is well known that there is an apparent increase in the intensity and frequency of extreme weather events, such as tropical cyclones (IPCC, 2023). This will lead to a significant effect not just on the infrastructure and the economic activities but also on the coastal environments. On the other hand, an increase in the population along the coastal areas in such a country as the Sultanate of Oman will also increase the risk and the hazard. It has been noticed extremely heavy rainfall during the most recent tropical cyclone, Shaheen (October 3 2021). It is also recorded along the Omani coast'
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Reports on the topic "Intensity of simulated rainfall"

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Wagner, Anna, Christopher Hiemstra, Glen Liston, Katrina Bennett, Dan Cooley, and Arthur Gelvin. Changes in climate and its effect on timing of snowmelt and intensity-duration-frequency curves. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/41402.

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Snow is a critical water resource for much of the U.S. and failure to account for changes in climate could deleteriously impact military assets. In this study, we produced historical and future snow trends through modeling at three military sites (in Washington, Colorado, and North Dakota) and the Western U.S. For selected rivers, we performed seasonal trend analysis of discharge extremes. We calculated flood frequency curves and estimated the probability of occurrence of future annual maximum daily rainfall depths. Additionally, we generated intensity-duration-frequency curves (IDF) to find r
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Mello, Robert P., Bruce H. Jones, James A. Vogel, III Patton, and John F. Assessment of Physical Activity Intensity during Infantry Combat-Simulated Operations. Defense Technical Information Center, 1986. http://dx.doi.org/10.21236/ada180038.

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Budzich, Jeffrey. PR-685-184506-R03 Monitoring Techniques For Determining Critical Return Period Flood Alert Triggers. Pipeline Research Council International, Inc. (PRCI), 2020. http://dx.doi.org/10.55274/r0011667.

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This document provides a summary of developing regional rainfall intensity-duration-frequency (IDF) curves for determining critical return period alert triggers, and compare with pipeline operator-specific QPE monitoring locations for known crossings of potential concern. These IDF curves aid in determining the rainfall depth that has accumulated within a specified period of time. One example of a trigger alert requested by a pipeline operator might be the 100-year return period rainfall at a location upstream of their pipeline crossing in a small watershed.
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Knight, Lynn, and Suzy Hodgson. Economics of Gully Erosion Stabilization. USDA Northeast Climate Hub, 2018. http://dx.doi.org/10.32747/2018.6893749.ch.

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Rainfall intensity is increasing in the Northeastern U.S. Stabilizing gullies is one strategy for adapting&#x0D; to this changing climate. This case study evaluates the costs and benefits of restoring gullies at Last&#x0D; Resort Farm.
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Cavallo, Eduardo A., Santiago Gómez, Ilan Noy, and Eric Strobl. Research Insights: How Do Climate Change-Induced Hurricanes Affect Sovereign Debt in the Caribbean? Inter-American Development Bank, 2024. https://doi.org/10.18235/0013276.

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A survey of relevant literature identifies a direct link between anthropogenic climate change and increased hurricane intensity, notably through a 10% increase in rainfall and associated damages. Caribbean countries are particularly vulnerable, as severe hurricanes lead to notable increases in public debt, compounded by climate change impacts. The study underscores the urgency of integrating climate change considerations into economic and fiscal policies because the impact of climate change is pronounced and immediate.
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Wilson, D., Chris Pettit, Vladimir Ostashev, and Matthew Kamrath. Signal power distributions for simulated outdoor sound propagation in varying refractive conditions. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/48774.

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Probability distributions of acoustic signals propagating through the near-ground atmosphere are simulated by the parabolic equation method. The simulations involve propagation at four angles relative to the mean wind, with frequencies of 100, 200, 400, and 800 Hz. The environmental representation includes realistic atmospheric refractive profiles, turbulence, and ground interactions; cases are considered with and without parametric uncertainties in the wind velocity and surface heat flux. The simulated signals are found to span a broad range of scintillation indices, from near zero to exceedi
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Berkowitz, Jacob, Christine VanZomeren, and Nicole Fresard. Rapid formation of iron sulfides alters soil morphology and chemistry following simulated marsh restoration. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/42155.

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Many marshes show signs of degradation due to fragmentation, lack of sediment inputs, and erosion which may be exacerbated by sea level rise and increasing storm frequency/intensity. As a result, resource managers seek to restore marshes via introduction of sediment to increase elevation and stabilize the marsh platform. Recent field observations suggest the rapid formation of iron sulfide (FeS) materials following restoration in several marshes. To investigate, a laboratory microcosm study evaluated the formation of FeS following simulated restoration activities under continually inundated, s
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Agassi, Menahem, Michael J. Singer, Eyal Ben-Dor, et al. Developing Remote Sensing Based-Techniques for the Evaluation of Soil Infiltration Rate and Surface Roughness. United States Department of Agriculture, 2001. http://dx.doi.org/10.32747/2001.7586479.bard.

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The objective of this one-year project was to show whether a significant correlation can be established between the decreasing infiltration rate of the soil, during simulated rainstorm, and a following increase in the reflectance of the crusting soil. The project was supposed to be conducted under laboratory conditions, using at least three types of soils from each country. The general goal of this work was to develop a method for measuring the soil infiltration rate in-situ, solely from the reflectance readings, using a spectrometer. Loss of rain and irrigation water from cultivated fields is
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Bhattarai, Rabin, Yufan Zhang, and Owen Yao. Evaluation of Net-free Erosion Control Blankets. Illinois Center for Transportation, 2023. http://dx.doi.org/10.36501/0197-9191/23-026.

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Erosion control blankets (ECBs) protect soil from being detached and transported by raindrops and subsequential overland runoff while assisting in vegetation growth. ECBs have several characteristics, for example, thickness, mass per unit area, tensile strength, elongation, water absorption, etc. However, the impact of these characteristics on the performance in mitigating erosion has yet to be well understood. To better understand the interactions of ECB properties with the detachment and transport of sediment, field tests were conducted at the Erosion Control Research and Training Center at
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Busby, Ryan, Morgan Conrady, Kyoo Jo, and Donald Cropek. Characterising earth scent. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/48262.

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Rationale. Earth scent is the odour emitted from soils. This scent, primarily comprising the alcohols geosmin and 2-methylisoborneol (MIB), has not been fully characterised, but offers high potential for use as an environmental interrogation tool. Methodology. We utilised our field- based, solid-phase microextraction fibre method to test the hypothesis that soil activity and soil property variation can be detected in situ by comparing biogenic volatile emissions. Results. We eliminated sources of error utilising field-based sampling with these fibres, concluding that room temperature storage f
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