Academic literature on the topic 'Rain and rainfall - Measurement - Data processing'

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Journal articles on the topic "Rain and rainfall - Measurement - Data processing"

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Einfalt, T., K. Arnbjerg-Nielsen, and S. Spies. "An enquiry into rainfall data measurement and processing for model use in urban hydrology." Water Science and Technology 45, no. 2 (2002): 147–52. http://dx.doi.org/10.2166/wst.2002.0040.

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Rain data are collected all over the world because water is of paramount importance to all human life. WMO has provided standards for collection and standardized data processing of daily rainfall measurements. Currently no such standards are available for gauges with a resolution suitable for urban hydrology, where the resolution in time must not exceed a few minutes. The Group on Urban Rainfall under the International Water Association has made a comparison of national standards by means of a survey of 77 questions sent to 44 countries. The paper discusses the first results of the answers of
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Capozzi, Vincenzo, Clizia Annella, Mario Montopoli, Elisa Adirosi, Giannetta Fusco, and Giorgio Budillon. "Influence of Wind-Induced Effects on Laser Disdrometer Measurements: Analysis and Compensation Strategies." Remote Sensing 13, no. 15 (2021): 3028. http://dx.doi.org/10.3390/rs13153028.

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Nowadays, laser disdrometers constitute a very appealing tool for measuring surface precipitation properties, by virtue of their capability to estimate not only the rainfall amount and intensity, but also the number, the size and the velocity of falling drops. However, disdrometric measures are affected by various sources of error being some of them related to environmental conditions. This work presents an assessment of Thies Clima laser disdrometer performance with a focus on the relationship between wind and the accuracy of the disdrometer output products. The 10-min average rainfall rate a
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Graf, Maximilian, Christian Chwala, Julius Polz, and Harald Kunstmann. "Rainfall estimation from a German-wide commercial microwave link network: optimized processing and validation for 1 year of data." Hydrology and Earth System Sciences 24, no. 6 (2020): 2931–50. http://dx.doi.org/10.5194/hess-24-2931-2020.

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Abstract. Rainfall is one of the most important environmental variables. However, it is a challenge to measure it accurately over space and time. During the last decade, commercial microwave links (CMLs), operated by mobile network providers, have proven to be an additional source of rainfall information to complement traditional rainfall measurements. In this study, we present the processing and evaluation of a German-wide data set of CMLs. This data set was acquired from around 4000 CMLs distributed across Germany with a temporal resolution of 1 min. The analysis period of 1 year spans from
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Martins Costa do Amaral, Lia, Stefano Barbieri, Daniel Vila, et al. "Assessment of Ground-Reference Data and Validation of the H-SAF Precipitation Products in Brazil." Remote Sensing 10, no. 11 (2018): 1743. http://dx.doi.org/10.3390/rs10111743.

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The uncertainties associated with rainfall estimates comprise various measurement scales: from rain gauges and ground-based radars to the satellite rainfall retrievals. The quality of satellite rainfall products has improved significantly in recent decades; however, such algorithms require validation studies using observational rainfall data. For this reason, this study aims to apply the H-SAF consolidated radar data processing to the X-band radar used in the CHUVA campaigns and apply the well established H-SAF validation procedure to these data and verify the quality of EUMETSAT H-SAF operati
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Tokay, Ali, and Paul G. Bashor. "An Experimental Study of Small-Scale Variability of Raindrop Size Distribution." Journal of Applied Meteorology and Climatology 49, no. 11 (2010): 2348–65. http://dx.doi.org/10.1175/2010jamc2269.1.

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Abstract An experimental study of small-scale variability of raindrop size distributions (DSDs) has been carried out at Wallops Island, Virginia. Three Joss–Waldvogel disdrometers were operated at a distance of 0.65, 1.05, and 1.70 km in a nearly straight line. The main purpose of the study was to examine the variability of DSDs and its integral parameters of liquid water content, rainfall, and reflectivity within a 2-km array: a typical size of Cartesian radar pixel. The composite DSD of rain events showed very good agreement among the disdrometers except where there were noticeable differenc
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Kirstetter, Pierre-Emmanuel, Hervé Andrieu, Guy Delrieu, and Brice Boudevillain. "Identification of Vertical Profiles of Reflectivity for Correction of Volumetric Radar Data Using Rainfall Classification." Journal of Applied Meteorology and Climatology 49, no. 10 (2010): 2167–80. http://dx.doi.org/10.1175/2010jamc2369.1.

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Abstract Nonuniform beam filling associated with the vertical variation of atmospheric reflectivity is an important source of error in the estimation of rainfall rates by radar. It is, however, possible to correct for this error if the vertical profile of reflectivity (VPR) is known. This paper presents a method for identifying VPRs from volumetric radar data. The method aims at improving an existing algorithm based on the analysis of ratios of radar measurements at multiple elevation angles. By adding a rainfall classification procedure defining more homogeneous precipitation patterns, the is
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Stagnaro, Mattia, Matteo Colli, Luca Giovanni Lanza, and Pak Wai Chan. "Performance of post-processing algorithms for rainfall intensity using measurements from tipping-bucket rain gauges." Atmospheric Measurement Techniques 9, no. 12 (2016): 5699–706. http://dx.doi.org/10.5194/amt-9-5699-2016.

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Abstract. Eight rainfall events recorded from May to September 2013 at Hong Kong International Airport (HKIA) have been selected to investigate the performance of post-processing algorithms used to calculate the rainfall intensity (RI) from tipping-bucket rain gauges (TBRGs). We assumed a drop-counter catching-type gauge as a working reference and compared rainfall intensity measurements with two calibrated TBRGs operated at a time resolution of 1 min. The two TBRGs differ in their internal mechanics, one being a traditional single-layer dual-bucket assembly, while the other has two layers of
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Ardiyanto, Lilik, Anggi M. Hanif, Muhammad Alfaridzi, Sony Ariwibowo, Eko Wardoyo, and Imma Redha Nugraheni. "Estimasi Curah Hujan Radar Cuaca Dengan Hubungan Z-R Berbeda Pada Tipe Awan Hujan Konvektif Dan Stratiform Di Lampung." Prosiding SNFA (Seminar Nasional Fisika dan Aplikasinya) 4 (December 16, 2019): 51. http://dx.doi.org/10.20961/prosidingsnfa.v4i0.35912.

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<p class="AbstractEnglish"><strong>Abstract: </strong>Weather radar is used to cover the lack of measurement due to the precision of the amount of rainfall gauges. Products on the weather radar produce reflectivity data (Z), so to get rainfall estimation data processing is required with the reflectivity (Z) and rain rate (R) or Z-R relationships. The Z-R relationship can be different in every condition. One of the influences is the type of rain clouds, namely convective and stratiform. This study aims to determine the relationship of Z-R and radar products that are more suita
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Indri Hapsari, Ratih, Gerard Aponno, Rosa Andrie Asmara, and Satoru Oishi. "Rainfall Information System Based on Weather Radar for Debris Flow Disaster Mitigation." International Journal of Engineering & Technology 7, no. 4.44 (2018): 165. http://dx.doi.org/10.14419/ijet.v7i4.44.26976.

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Rainfall-triggered debris flow has caused multiple impacts to the environment. It. is regarded as the most severe secondary hazards of volcanic eruption. However, limited access to the active volcano slope restricts the ground rain measurement as well as the direct delivery of risk information. In this study, an integrated information system is proposed for volcanic-related disaster mitigation under the framework of X-Plore/X-band Polarimetric Radar for Prevention of Water Disaster. In the first part, the acquisition and processing of high-resolution X-band dual polarimetric weather/X-MP radar
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Kidd, C., and V. Levizzani. "Status of satellite precipitation retrievals." Hydrology and Earth System Sciences Discussions 7, no. 5 (2010): 8157–77. http://dx.doi.org/10.5194/hessd-7-8157-2010.

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Abstract. Satellites offer an unrivalled vantage point to observe and measure Earth system processes and parameters. Precipitation (rain and snow) in particular, benefit from such observations since precipitation is spatially and temporally highly variable and overcomes some of the deficiencies of conventional gauge and radar measurements. This paper provides an overall review of quantitative precipitation estimation, covering the basis of the satellite systems used in the observation of precipitation and the dissemination of this data, the processing of these measurements to generate the rain
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Dissertations / Theses on the topic "Rain and rainfall - Measurement - Data processing"

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Bottomley, Laura Jones. "The application of IBM PC's and distrometers in a satellite propagation experiment." Thesis, Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/90919.

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This thesis describes the use of a distrometer and two IBM-PC's to collect data in a large propagation experiment. The uses and methods of collecting drop size distribution are discussed as are the uses of IBM-PC's for both data collection and control. Methods of requiring the PC's to operate in real time are also included.<br>M.S.
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Friberg, Carol Diane. "Preliminary processing and evaluation of radar measurements in satellite-path propagation research." Thesis, Virginia Tech, 1985. http://hdl.handle.net/10919/45722.

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Rain and other precipitation cause attenuation and depolarization of high frequency satellite signals. Some characteristics of rain can be measured by dual-polarized radar. These characteristics can then be used to predict the effects of the rain on satellite-path propagation. This thesis describes briefly the theory of radar and satellite link measurements. Methods for calibrating the equipment and deriving actual experimental values from measured power are presented in detail. A set of computer programs to approximately predict radar and link values from measured rain rate are developed. Pr
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Heneker, Theresa Michelle. "An improved engineering design flood estimation technique: removing the need to estimate initial loss." 2002. http://web4.library.adelaide.edu.au/theses/09PH/09phh4989.pdf.

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"May 2002" Includes list of papers published during this study Errata slip inserted inside back cover of v. 1 Includes bibliographical references (leaves 331-357) V. 1. [Text} -- v. 2. Appendices Develops an alternative design flood estimation methodology. Establishing a relationship between catchment characteristics and the rainfall excess frequency duration proportions enables the definition of these proportions for generic catchment types, increasing the potential for translation to catchments with limited data but similar hydrographic properties, thereby improving design process.
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Jennings, Shane Anthony. "A high resolution point rainfall model calibrated to short pluviograph or daily rainfall data." 2007. http://hdl.handle.net/2440/57410.

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Title page, abstract and table of contents only. The complete thesis in print form is available from the University of Adelaide Library.<br>This thesis describes the development of a new technique which significantly extends the applicability of stochastic point rainfall models that require historical data for calibration. The technique is demonstrated using a high-resolution point rainfall model based on wet-dry alternating storm events. A model has been produced that is well defined and can be vigorously compared against numerous observed statistics in a quantative manner. The rainfall model
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Kanetsi, Khahiso. "Annual peak rainfall data augmentation - A Bayesian joint probability approach for catchments in Lesotho." Thesis, 2017. https://hdl.handle.net/10539/25567.

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A research report submitted to the Faculty of Engineering and the Built Environment, University of the Witwatersrand, Johannesburg, in fulfilment of the requirements for the degree of Master of Science in Engineering, 2017<br>The main problem to be investigated is how short duration data records can be augmented using existing data from nearby catchments with data with long periods of record. The purpose of the investigation is to establish a method of improving hydrological data using data from a gauged catchment to improve data from an ungauged catchment. The investigation is undertaken usi
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Indu, J. "Uncertainty Analysis of Microwave Based Rainfall Estimates over a River Basin Using TRMM Orbital Data Products." Thesis, 2014. http://hdl.handle.net/2005/3005.

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Error characteristics associated with satellite-derived precipitation products are important for atmospheric and hydrological model data assimilation, forecasting, and climate diagnostic applications. This information also aids in the refinement of physical assumptions within algorithms by identifying geographical regions and seasons where existing algorithm physics may be incorrect or incomplete. Examination of relative errors between independent estimates derived from satellite microwave data is particularly important over regions with limited surface-based equipments for measuring rain rate
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Ghile, Yonas Beyene. "Development of a framework for an integrated time-varying agrohydrological forecast system for southern Africa." Thesis, 2007. http://hdl.handle.net/10413/352.

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Policy makers, water managers, farmers and many other sectors of the society in southern Africa are confronting increasingly complex decisions as a result of the marked day-to-day, intra-seasonal and inter-annual variability of climate. Hence, forecasts of hydro-climatic variables with lead times of days to seasons ahead are becoming increasingly important to them in making more informed risk-based management decisions. With improved representations of atmospheric processes and advances in computer technology, a major improvement has been made by institutions such as the South African Weather
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Books on the topic "Rain and rainfall - Measurement - Data processing"

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Westcott, Nancy E. Continued operation of a 25-raingage network for collection, reduction, and analysis of precipitation data for lake michigan diversion accounting: water year 2012. Illinois State Water Survey, 2013.

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Westcott, Nancy E. Continued operation of a 25-raingage network for collection, reduction, and analysis of precipitation data for lake michigan diversion accounting: water year 2011. Illinois State Water Survey, 2012.

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Fontaine, Richard A. Evaluation of the surface-water quantity, surface-water quality, and rainfall data-collection program in Hawaii, 1994. Dept. of the Interior, U.S. Geological Survey, 1996.

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Rain volume estimation over areas using satellite and radar data: Semiannual report on grant no. NAG 5-396, period covered: 1 January 1985 - 30 June 1985. National Aeronautics and Space Administration?, 1985.

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Real-time rainfall-runoff model of the Carraízo-Reservoir Basin in Puerto Rico. Dept. of the Interior, U.S. Geological Survey, 1996.

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Book chapters on the topic "Rain and rainfall - Measurement - Data processing"

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Willems, Patrick, and Thomas Einfalt. "Sensors for rain measurements." In Metrology in Urban Drainage and Stormwater Management: Plug and Pray. IWA Publishing, 2021. http://dx.doi.org/10.2166/9781789060119_0011.

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Abstract Rain measurements based on rain gauges, disdrometers, weather radars and microwave links provide essential input data for urban drainage and stormwater modelling, management, and planning. Their quality strongly depends on the sensor type and calibration, but also on the data post-processing that includes quality control and data adjustment after comparison with reference observations. This chapter provides an overview of traditional techniques and recent developments, and practical advice on the selection of the type of instrument, the installation and calibration aspects to be considered, and the measurement data processing and adjustment needs.
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Conference papers on the topic "Rain and rainfall - Measurement - Data processing"

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de Alencar, Gilson Alves. "High statistical data processing as rainfall rate estimator for rain attenuation prediction on earth-space paths." In 2007 IEEE Antennas and Propagation International Symposium. IEEE, 2007. http://dx.doi.org/10.1109/aps.2007.4396357.

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Suryana, J., S. Utoro, K. Tanaka, K. Igarashi, and M. Iida. "Study of Prediction Models Compared with the Measurement Results of Rainfall Rate and Ku-band Rain Attenuation at Indonesian Tropical Cities." In 2005 5th International Conference on Information Communications and Signal Processing. IEEE, 2005. http://dx.doi.org/10.1109/icics.2005.1689325.

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Koch, Dániel, Enikő Anna Tamás, and Beáta Bényi. "STATISTICAL ANALYSIS OF THE RUNOFF IN THE EAST MECSEK REGION (HUNGARY) IN ORDER TO UNDERSTAND CLIMATIC VARIABILITY BASED ON HYDRO-METEOROLOGICAL RECORDS." In XXVII Conference of the Danubian Countries on Hydrological Forecasting and Hydrological Bases of Water Management. Nika-Tsentr, 2020. http://dx.doi.org/10.15407/uhmi.conference.01.04.

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Hydro-meteorological investigation of the small catchments of the East region of the Mecsek hills has been carried out since the 1960s. In frame of the research, daily water levels of the main creek of the region (Völgységi-creek) have been recorded at two gauging stations: for the upper reach in Magyaregregy settlement and for the lower reach in Bonyhád city. On the upper reach the water levels of one of the most important tributaries of the Völgységi-creek: Hodácsi-creek are also recorded. There are three rain gauges as well that record daily rainfall since the 1960s. In our study we carried
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Rudolph, Jürgen, José Eduardo Maneschy, Miguel Cisternas, José Luiz F. Freire, Felippe M. S. Costa, and Bruno Silva. "Fatigue Assessment of NPP Piping and Components Using Realistic Thermal-Mechanical Load Histories." In ASME 2014 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/pvp2014-28716.

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Modern state-of-the-art fatigue monitoring approaches gain in importance as part of the ageing management of conventional and nuclear power plant components (NPP) and particularly in the context of lifetime extension projects and new plants. A key feature of qualified fatigue monitoring is the measurement of realistic loads based on plant instrumentation and/or local temperature measurement. The major prerequisites for any subsequent fatigue assessment are the accurate component stress analysis and the identification of relevant cycles, using highly qualified and efficient cycle counting metho
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