Academic literature on the topic 'Rain-flag'

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Journal articles on the topic "Rain-flag"

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Tran, N., E. Obligis, and F. Ferreira. "Comparison of Two Jason-1 Altimeter Precipitation Detection Algorithms with Rain Estimates from the TRMM Microwave Imager." Journal of Atmospheric and Oceanic Technology 22, no. 6 (2005): 782–94. http://dx.doi.org/10.1175/jtech1742.1.

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Abstract This paper evaluates and compares the ability of two different Jason-1 dual-frequency altimeter algorithms (referred as Tournadre’s and Quartly’s rain flags, respectively) to detect rain events in order to flag rain-contaminated altimeter range measurements. They are based on departures from a defined relationship between the Ku- and C-band radar cross sections observed in no-rain conditions. The algorithms’ performances were assessed via collocations of these dual-frequency-based estimates with rain rates and a rain–no-rain flag from the Tropical Rainfall Measuring Mission (TRMM) Mic
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Tournadre, J., J. C. Poisson, N. Steunou, and B. Picard. "Validation of AltiKa Matching Pursuit Rain Flag." Marine Geodesy 38, sup1 (2015): 107–23. http://dx.doi.org/10.1080/01490419.2014.1001048.

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Thithonis, Maria Antonita, and Jayaraman Achuthan. "Validation Study on Jason-2 Rain Flag and Rain Rate Estimation Over North Indian Ocean." IEEE Geoscience and Remote Sensing Letters 10, no. 6 (2013): 1537–41. http://dx.doi.org/10.1109/lgrs.2013.2261457.

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Kumar, J., and S. Nagarajan. "Role of Flag Leaf and Spike Emergence Stage on the Incidence of Karnal Bunt in Wheat." Plant Disease 82, no. 12 (1998): 1368–70. http://dx.doi.org/10.1094/pdis.1998.82.12.1368.

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Removal of the flag leaf of wheat, earlier hypothesized to act as a site where secondary sporidia of Tilletia indica multiply and conjugate, reduced the severity of Karnal bunt. Evidence reported here suggests that sporidia reach the flag leaf from the soil by splashing, multiply on the surface of the flag leaf, and move with rain water or dew into the boot of the flag leaf to cause infection of the spikelets. Plants in growth stage 49 (first awns visible) were more vulnerable to infection by secondary sporidia than were plants at other growth stages. At growth stage 49, the flag leaf lamina w
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Chen, Shan-Tai, Chien-Chen Wu, Wann-Jin Chen, and Jen-Chi Hu. "Rain-Area Identification Using TRMM/TMI Data by Data Mining Approach." Journal of Advanced Computational Intelligence and Intelligent Informatics 12, no. 3 (2008): 243–48. http://dx.doi.org/10.20965/jaciii.2008.p0243.

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Rain-area identification distinguishes between rainy and non-rainy areas, which is the first step in some critical real-world problems, such as rain intensity identification and rain-rate estimation. We develop a data mining approach for oceanic rain-area identification during typhoon season, using microwave data from the Tropical Rainfall Measuring Mission (TRMM) satellite. Three schemes tailored for the problem are developed, namely (1) association rule analysis for uncovering the set of potential attributes relevant to the problem, (2) three-phase outlier removal for cleaning data and (3) t
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Portabella, M., and A. Stoffelen. "A comparison of KNMI quality control and JPL rain flag for SeaWinds." Canadian Journal of Remote Sensing 28, no. 3 (2002): 424–30. http://dx.doi.org/10.5589/m02-040.

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Grassotti, Christopher, S. Mark Leidner, Jean-François Louis, and Ross N. Hoffman. "Development and Application of a Visible–Infrared Rain Flag for Scatterometer Data." Journal of Applied Meteorology 38, no. 6 (1999): 665–76. http://dx.doi.org/10.1175/1520-0450(1999)038<0665:daaoav>2.0.co;2.

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Tournadre, J., J. Lambin-Artru, and N. Steunou. "Cloud and Rain Effects on AltiKa/SARAL Ka-Band Radar Altimeter—Part II: Definition of a Rain/Cloud Flag." IEEE Transactions on Geoscience and Remote Sensing 47, no. 6 (2009): 1818–26. http://dx.doi.org/10.1109/tgrs.2008.2010127.

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Huang, Guirong, Xinying Zhang, Yajing Wang, Fu Feng, Xurong Mei та Xiuli Zhong. "Comparisons of WUE in twelve genotypes of winter wheat and the relationship between δ13C and WUE". PeerJ 7 (17 квітня 2019): e6767. http://dx.doi.org/10.7717/peerj.6767.

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Twelve winter wheat (Triticum aestivum) genotypes were examined for differences in grain yield, water use efficiency (WUE), and stable carbon isotope composition (δ13C) in flag leaves. The plants were subjected to rain-fed treatment and supplemental irrigation at the jointing and anthesis stages, during the 2015–2016 and 2016–2017 winter wheat growing seasons. The relationships between δ13C with grain yield and WUE were analyzed under two different water environments. The results indicated that there were significant differences in δ13C, grain yield, and WUE among wheat genotypes both under ra
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Peng, Yihuan, Xuetong Xie, Mingsen Lin, et al. "A Study of Sea Surface Rain Identification Based on HY-2A Scatterometer." Remote Sensing 13, no. 17 (2021): 3475. http://dx.doi.org/10.3390/rs13173475.

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Rain affects the wind measurement accuracy of the Ku-band spaceborne scatterometer. In order to improve the quality of the retrieved wind field, it is necessary to identify and flag rain-contaminated data. In this study, an HY-2A scatterometer is used to study rain identification. In addition to the conventional parameters, such as the retrieved wind speed, the wind direction relative to the along-track direction, and the normalized beam difference, the experiment expands the mean deviation of the backscattering coefficient, the beam difference between fore and aft, and the node number of the
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Dissertations / Theses on the topic "Rain-flag"

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Torsekar, Vasud Ganesh. "OCEANIC RAIN IDENTIFICATION USING MULTIFRACTAL ANALYSIS OF QUIKSCAT SIGMA-0." Master's thesis, University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4100.

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The presence of rain over oceans interferes with the measurement of sea surface wind speed and direction from the Sea Winds scatterometer and as a result wind measurements contain biases in rain regions. In past research at the Central Florida Remote Sensing Lab, it has been observed that rain has multi-fractal behavior. In this report we present an algorithm to detect the presence of rain so that rain regions are flagged. The forward and aft views of the horizontal polarization &#963;0 are used for the extraction of textural information with the help of multi-fractals. A single negated multi-
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Book chapters on the topic "Rain-flag"

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Amunugama, Sarath. "‘Peacocks in the Rain’." In The Lion's Roar. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780199489060.003.0002.

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This chapter relates the first involvement of the American theosophists with the Buddhist revival in Sri Lanka and subsequent developments. The theosophists, having become aware of the Buddhist revival in Sri Lanka, had come there. Col Olcott and his co-theosophists were enthusiastically received and the Buddhist Theosophical Society was formed. Funds were established to finance various Buddhist causes: Buddhist schools were established; a Buddhist press was started; and a Sinhalese newspaper was inaugurated. One important event that occurred around this time was the attack on a Buddhist procession by the Catholics in Kotahena. In the aftermath, as an outcome of the offenders not being prosecuted by the colonial authorities, the Sri Lankan Buddhists took various measures: representations were made to the Colonial Office in London; a Buddhist flag was devised; and an agitation for a new legislation to prevent abuse of Buddhist temporalities was started. One outcome of this was Dharmapala’s falling out with the theosophists and the formation of the Mahabodhi Society.
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Conference papers on the topic "Rain-flag"

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Aslebagh, S., Y. Hejazin, W. L. Jones, C. May, and R. Gonzalez. "An oceanic rain flag for Aquarius." In OCEANS 2012. IEEE, 2012. http://dx.doi.org/10.1109/oceans.2012.6404812.

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