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Journal articles on the topic 'Arakawa'

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Author: Grafiati

Published: 4 June 2021

Last updated: 20 February 2023

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1

Kawashima, Hiroki, Shuji Nishita, Takashi Matsumoto, and Motoya Yamasaki. "Arakawa lock gate." Reports of the City Planning Institute of Japan 9, no. 1 (June 10, 2010): 44–47. http://dx.doi.org/10.11361/reportscpij.9.1_44.

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2

Chen, Kwang-Wu. "Generalized Arakawa-Kaneko zeta functions." Integral Transforms and Special Functions 30, no. 4 (December 31, 2018): 282–300. http://dx.doi.org/10.1080/10652469.2018.1562450.

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3

Nomura, Hiroyasu, Masaru Nakahara, Fumio Hirata, Masaharu Ohba, and Nobuo Takenaka. "A tribute to Kiyoshi Arakawa." Journal of Molecular Liquids 217 (May 2016): 1–2. http://dx.doi.org/10.1016/j.molliq.2015.07.032.

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4

Coppo, Marc-Antoine, and Bernard Candelpergher. "The Arakawa–Kaneko zeta function." Ramanujan Journal 22, no. 2 (January 1, 2010): 153–62. http://dx.doi.org/10.1007/s11139-009-9205-x.

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5

KAJITANI, Hayato, and Norio TANAKA. "THE POTENTIAL FLOODING RISK LOCATION AFTER THE CHANGE OF ARAKAWA RIVER COURSE, ARAKAWA-SEISEN." Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 75, no. 2 (2019): I_1447—I_1452. http://dx.doi.org/10.2208/jscejhe.75.2_i_1447.

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6

Arakawa, Tsutomu, Yoshiko Kita, Masao Tokunaga, and Daisuke Ejima. "Solvent Modulation of Protein Interactions In Affinity Chromatography." BioProcessing Journal 6, no. 1 (June 12, 2007): 29–37. http://dx.doi.org/10.12665/j61.arakawa.

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7

Brown, Adam. "Arakawa-Suzuki functors for Whittaker modules." Journal of Algebra 538 (November 2019): 261–89. http://dx.doi.org/10.1016/j.jalgebra.2019.07.027.

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8

Murase, Atsushi, and Hiro-aki Narita. "Fourier expansion of Arakawa lifting II: Relation with central L-values." International Journal of Mathematics 27, no. 01 (January 2016): 1650001. http://dx.doi.org/10.1142/s0129167x16500014.

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This is a continuation of our previous paper [Fourier expansion of Arakawa lifting I: An explicit formula and examples of non-vanishing lifts, Israel J. Math. 187 (2012) 317–369]. The aim of the paper here is to study the Fourier coefficients of Arakawa lifts in relation with central values of automorphic [Formula: see text]-functions. In the previous paper we provide an explicit formula for the Fourier coefficients in terms of toral integrals of automorphic forms on multiplicative groups of quaternion algebras. In this paper, after studying explicit relations between the toral integrals and the central [Formula: see text]-values, we explicitly determine the constant of proportionality relating the square norm of a Fourier coefficient of an Arakawa lift with the central [Formula: see text]-value. We can relate the square norm with the central value of some [Formula: see text]-function of convolution type attached to the lift and a Hecke character. We also discuss the existence of strictly positive central values of the [Formula: see text]-functions in our concern.

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9

Young, Paul Thomas. "Polylogarithmic zeta functions and their p-adic analogues." International Journal of Number Theory 13, no. 10 (October 16, 2017): 2751–68. http://dx.doi.org/10.1142/s1793042117501512.

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We consider a broad family of zeta functions which includes the classical zeta functions of Riemann and Hurwitz, the beta and eta functions of Dirichlet, and the Lerch transcendent, as well as the Arakawa–Kaneko zeta functions and the recently introduced alternating Arakawa–Kaneko zeta functions. We construct their [Formula: see text]-adic analogues and indicate the many strong connections between the complex and [Formula: see text]-adic versions. As applications, we focus on the alternating case and show how certain families of alternating odd harmonic number series can be expressed in terms of Riemann zeta and Dirichlet beta values.

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10

Iwasaki, Megumi, Tomohisa Shoko, Koki Akahoshi, Tomohiro Adachi, and Kazuhide Yoshikawa. "One Hospital’s Timeline for In-Hospital Vertical Evacuation during a Flood Disaster." Prehospital and Disaster Medicine 34, s1 (May 2019): s154—s155. http://dx.doi.org/10.1017/s1049023x19003480.

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Introduction:Recently, the risk of flood disasters due to concentrated heavy rains has been increasing in Japan. While some cases of hospital evacuation have been reported, standards for hospital evacuation have not been established and regional administrative evacuation plans do not include medical facilities.Aim:To clarify the timeline for in-hospital vertical evacuation during a flood disaster.Methods:A timeline was set for vertical evacuation as criteria of the hospital’s emergency response based on the Arakawa River Downstream Timeline, which is an estimate of the time until river flooding based on the water level of the Arakawa River located near the facility. The timeline was calculated backward from 0 hours to when the river floods. A drill was held for verification.Results:The timeline was based on the water level of the Arakawa River and objective evidence of risky transfer of critical patients; therefore, the decision to evacuate was made when the water level reached a dangerous level (-3 hours). However, this did not provide enough time to evacuate patients in all hospital departments simultaneously, resulting in a shortage of human resources. There was a planned shutdown of the electronic clinical record system at 0 hours to avoid water damage and evacuation of its server, but three hours were not enough to prepare patient clinical summaries.Discussion:There is a need for greater and earlier preparation for evacuation to reduce or discharge patients who can leave the hospital when a flood disaster is predicted. Only in-hospital vertical evacuation was considered because it is very risky to transfer critical patients without an evacuation order from government or municipal officials. In fact, over 10,000 patients would need to be evacuated in the region if the Arakawa River floods. Therefore, a regional plan is indispensable for such large scale and simultaneous hospital evacuations.

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11

NARASAKI, Hisatake. "Determination of Trace Elements in River Arakawa." Joho Chishiki Gakkaishi 4, no. 1 (1994): 79–85. http://dx.doi.org/10.2964/jsik_kj00003381843.

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12

Arakawa, Takahiro, Kenta Iitani, Xin Wang, Takumi Kajiro, Koji Toma, Kazuyoshi Yano, and Kohji Mitsubayashi. "Correction: A sniffer-camera for imaging of ethanol vaporization from wine: the effect of wine glass shape." Analyst 140, no. 8 (2015): 2887–88. http://dx.doi.org/10.1039/c5an90029h.

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13

Akiba, Fuminori. "The Idea of Landing Sites and Its Inheritance through Tactileology." Philosophies 6, no. 3 (August 6, 2021): 66. http://dx.doi.org/10.3390/philosophies6030066.

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From the perspective of sustainability, empowering people to live positively without being dominated by death is an important issue. One thing we can do in this vein is to expand one’s own physical sensation, which is the basis for us to live. From this point of view, Shusaku Arakawa and Madeline Gins’ idea of “landing sites” is very important. Landing sites are physical experiences that result from person–environment collaboration. In order to make as many people as possible aware of their physical sensations through landing sites, Arakawa and Gins created artificial environments such as “Site of Reversible Destiny Yoro” where people could gain new physical sensations. They wanted people to build new ethics and move toward social reformation based on their new physical sensations. However, at present, these artificial environments have some problems. It is the time to seriously consider how we can pass on the experience of landing sites to future generations. The aim of this paper is to provide an answer to the question by Yasuhiro Suzuki’s scientific research on tactile sense, called tactileology. I first introduce Arakawa and Gin’s text about the idea of “landing sites” and make clear its importance. Next, I point out that, now, “landing sites” present certain difficulties. I then confirm that tactileology inherits the idea of “landing sites”.

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14

Hamahata, Yoshinori. "The Arakawa-Kaneko zeta function and poly-Bernoulli polynomials." Glasnik Matematicki 48, no. 2 (December 16, 2013): 249–63. http://dx.doi.org/10.3336/gm.48.2.03.

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15

Murase, Atsushi, and Hiro-aki Narita. "Commutation relations of Hecke operators for Arakawa lifting." Tohoku Mathematical Journal 60, no. 2 (2008): 227–51. http://dx.doi.org/10.2748/tmj/1215442873.

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16

Mednykh, A. D., I. A. Mednykh, and R. Nedela. "On the Oikawa and Arakawa Theorems for Graphs." Proceedings of the Steklov Institute of Mathematics 304, S1 (April 2019): S133—S140. http://dx.doi.org/10.1134/s0081543819020147.

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17

Kinuko Maehara Yamazato. "The Gift: An Interview with June Hiroko Arakawa." Manoa 21, no. 1 (2009): 149–56. http://dx.doi.org/10.1353/man.0.0060.

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18

Griffin, Daniel J., and John Thuburn. "Numerical Effects on Wave Propagation in Atmospheric Models." Proceedings of the International Astronomical Union 13, S335 (July 2017): 288–90. http://dx.doi.org/10.1017/s1743921317007979.

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AbstractRay tracing techniques have been used to investigate numerical effects on the propagation of acoustic waves in a non-hydrostatic dynamical core discretised using an Arakawa C-grid horizontal staggering of variables (Arakawa & Lamb 1977) and a Charney-Phillips vertical staggering of variables (Charney & Phillips 1953) with a semi-implicit timestepping scheme. It is found that the space discretisation places limits on resolvable wavenumbers and redirects the group velocity of waves towards the vertical. Wave amplitudes grow exponentially with height due to the decrease in the background density, which can cause instabilities in whole-atmosphere models. However, the inclusion of molecular viscosity and diffusion acts to damp the exponential growth of waves above about 150 km. This study aims to demonstrate the extent to which numerical wave propagation causes instabilities at high altitudes in atmosphere models, and how processes that damp the waves can improve these model’s stability.

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19

ARAKAWA, MASAHIRO, and VALERIE HANSEN. "The Transportation of Tax Textiles to the North-West as part of the Tang-Dynasty Military Shipment System." Journal of the Royal Asiatic Society 23, no. 3 (July 2013): 494. http://dx.doi.org/10.1017/s1356186313000576.

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Unfortunately the author's the name was misspelt throughout this article and also on the contents page of issue 23 (2). The correct name should have read ‘Masaharu Arakawa’.Cambridge University Press apologises unreservedly for any inconvenience or embarrassment caused by this error.

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20

Kuba, Markus. "On functions of Arakawa and Kaneko and multiple zeta values." Applicable Analysis and Discrete Mathematics 4, no. 1 (2010): 45–53. http://dx.doi.org/10.2298/aadm100126011k.

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We study two functions ?k(s) and ?k1?kr(s) introduced by Arakawa and Kaneko [3] and relate them with (finite) multiple zeta values and multiple zeta star values using elementary methods. In particular, we give an alternative proof of a result of Ohno [14].

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21

Keane, Jondi. "Situating Situatedness through Æffect and the Architectural Body of Arakawa and Gins." Janus Head 9, no. 2 (2006): 437–57. http://dx.doi.org/10.5840/jh20069210.

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This paper explores the situated body by briefly surveying the historical studies of effect and of affect which converge in current work on attention. This common approach to the situated body through attention prompted the coining of a more inclusive term, Effect, to indicate the situated body's mode of observation. Examples from the work of artist-turned-architects, Arakawa and Gins, will be discussed to show how architectural environments can act as heuristic tools that allow the situated body to research its own conditions. Rather than isolating effect from affect, observer from subject, organism from environment, Arakawa and Gins' work optimises the use of situated complexity in the study of the site of person. By constructing surrounding in which to observe and learn about the shape of awareness, their procedural architecture suggests ways in which the interaction of top-down conceptual knowledge and bottom-up perceptual learning may construct possibilities in emergent rather than programmatic ways.

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22

Ruane, Alex C., and John O. Roads. "Diurnal to Annual Precipitation Sensitivity to Convective and Land Surface Schemes." Earth Interactions 12, no. 5 (June 1, 2008): 1–13. http://dx.doi.org/10.1175/2008ei256.1.

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Abstract Precipitation’s diurnal to annual variance distribution and atmospheric water cycle component interactions are examined globally for sensitivity to convective and land surface schemes. The main regional features of statistics identified in previous reanalyses are robust in unconstrained continuous simulations corresponding to the reanalyses’ convective and land surface schemes. A change from the simplified Arakawa–Schubert (SAS) to the relaxed Arakawa–Schubert (RAS) convection scheme reorganizes the variance of rainfall at low latitudes to a redder spectrum. Despite the potential increase in soil moisture memory, a change from the Oregon State University (OSU2) to the Noah land surface model does not noticeably affect the variance distribution of precipitation. The competition between dynamic and thermodynamic sources of precipitation’s variability is affected by the choice of both the land surface model and the convective scheme. Noah reduces evaporation’s role over land, with vapor convergence compensating, while RAS/SAS sensitivities result in complex regional redistributions of component covariance.

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23

Chen, Kwang-Wu. "Generalized harmonic numbers and Euler sums." International Journal of Number Theory 13, no. 02 (February 7, 2017): 513–28. http://dx.doi.org/10.1142/s1793042116500883.

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In this paper, we investigate two kinds of Euler sums that involve the generalized harmonic numbers with arbitrary depth. These sums establish numerous summation formulas including the special values of Arakawa–Kaneno zeta functions and a new formula of multiple zeta values of height one as examples.

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24

Bearn, Gordon C. F. "Effecting Affection: The Corporeal Ethics of Gins and Arakawa." Journal of Aesthetic Education 44, no. 2 (2010): 40–49. http://dx.doi.org/10.1353/jae.0.0078.

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25

Hamahata, Yoshinori. "Poly-Euler polynomials and Arakawa--Kaneko type zeta functions." Functiones et Approximatio Commentarii Mathematici 51, no. 1 (September 2014): 7–22. http://dx.doi.org/10.7169/facm/2014.51.1.1.

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26

Bayad, Abdelmejid, and Yoshinori Hamahata. "Arakawa–Kaneko L-functions and generalized poly-Bernoulli polynomials." Journal of Number Theory 131, no. 6 (June 2011): 1020–36. http://dx.doi.org/10.1016/j.jnt.2010.11.005.

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27

GORDON C. F. BEARN. "Effecting Affection: The Corporeal Ethics of Gins and Arakawa." Journal of Aesthetic Education 44, no. 2 (2010): 40. http://dx.doi.org/10.5406/jaesteduc.44.2.0040.

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28

KOGURE, Takemi. "Late Holocene Tone River Flowing to the Arakawa Lowland." Journal of Geography (Chigaku Zasshi) 120, no. 4 (2011): 585–98. http://dx.doi.org/10.5026/jgeography.120.585.

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29

Grell, G. A., and S. R. Freitas. "A scale and aerosol aware stochastic convective parameterization for weather and air quality modeling." Atmospheric Chemistry and Physics Discussions 13, no. 9 (September 11, 2013): 23845–93. http://dx.doi.org/10.5194/acpd-13-23845-2013.

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Abstract. A convective parameterization is described and evaluated that may be used in high resolution non-hydrostatic mesoscale models as well as in modeling systems with unstructured varying grid resolutions and for convection aware simulations. This scheme is based on a stochastic approach originally implemented by Grell and Devenyi (2002). Two approaches are tested on resolutions ranging from 20 to 5 km. One approach is based on spreading subsidence to neighboring grid points, the other one on a recently introduced method by Arakawa et al. (2011). Results from model intercomparisons, as well as verification with observations indicate that both the spreading of the subsidence and Arakawa's approach work well for the highest resolution runs. Because of its simplicity and its capability for an automatic smooth transition as the resolution is increased, Arakawa's approach may be preferred. Additionally, interactions with aerosols have been implemented through a CCN dependent autoconversion of cloud water to rain as well as an aerosol dependent evaporation of cloud drops. Initial tests with this newly implemented aerosol approach show plausible results with a decrease in predicted precipitation in some areas, caused by the changed autoconversion mechanism. This change also causes a significant increase of cloud water and ice detrainment near the cloud tops. Some areas also experience an increase of precipitation, most likely caused by strengthened downdrafts.

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30

Grell, G. A., and S. R. Freitas. "A scale and aerosol aware stochastic convective parameterization for weather and air quality modeling." Atmospheric Chemistry and Physics 14, no. 10 (May 27, 2014): 5233–50. http://dx.doi.org/10.5194/acp-14-5233-2014.

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Abstract. A convective parameterization is described and evaluated that may be used in high resolution non-hydrostatic mesoscale models as well as in modeling system with unstructured varying grid resolutions and for convection aware simulations. This scheme is based on a stochastic approach originally implemented by Grell and Devenyi (2002). Two approaches are tested on resolutions ranging from 20 km to 5 km. One approach is based on spreading subsidence to neighboring grid points, the other one on a recently introduced method by Arakawa et al. (2011). Results from model intercomparisons, as well as verification with observations indicate that both the spreading of the subsidence and Arakawa's approach work well for the highest resolution runs. Because of its simplicity and its capability for an automatic smooth transition as the resolution is increased, Arakawa's approach may be preferred. Additionally, interactions with aerosols have been implemented through a cloud condensation nuclei (CCN) dependent autoconversion of cloud water to rain as well as an aerosol dependent evaporation of cloud drops. Initial tests with this newly implemented aerosol approach show plausible results with a decrease in predicted precipitation in some areas, caused by the changed autoconversion mechanism. This change also causes a significant increase of cloud water and ice detrainment near the cloud tops. Some areas also experience an increase of precipitation, most likely caused by strengthened downdrafts.

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31

Plant, Robert S., and Jun-Ichi Yano. "Comments on “An Ensemble Cumulus Convection Parameterization with Explicit Cloud Treatment”." Journal of the Atmospheric Sciences 68, no. 7 (July 1, 2011): 1541–44. http://dx.doi.org/10.1175/2011jas3728.1.

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Abstract In a recent paper, Wagner and Graf derived a population evolution equation for an ensemble of convective plumes, an analog with the Lotka–Volterra equation, from the energy equations for convective plumes provided by Arakawa and Schubert. Although their proposal is interesting, as the present note shows, there are some problems with their derivation.

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32

Young, Paul Thomas. "Bernoulli and poly-Bernoulli polynomial convolutions and identities of p-adic Arakawa–Kaneko zeta functions." International Journal of Number Theory 12, no. 05 (May 10, 2016): 1295–309. http://dx.doi.org/10.1142/s1793042116500792.

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We evaluate the ordinary convolution of Bernoulli polynomials in closed form in terms of poly-Bernoulli polynomials. As applications we derive identities for [Formula: see text]-adic Arakawa–Kaneko zeta functions, including a [Formula: see text]-adic analogue of Ohno’s sum formula. These [Formula: see text]-adic identities serve to illustrate the relationships between real periods and their [Formula: see text]-adic analogues.

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33

Hong, Song-You, Jung Choi, Eun-Chul Chang, Hoon Park, and Young-Joon Kim. "Lower-Tropospheric Enhancement of Gravity Wave Drag in a Global Spectral Atmospheric Forecast Model." Weather and Forecasting 23, no. 3 (June 1, 2008): 523–31. http://dx.doi.org/10.1175/2007waf2007030.1.

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Abstract The impacts of enhanced lower-tropospheric gravity wave drag induced by subgrid-scale orography on short- and medium-range forecasts as well as seasonal simulations are examined. This study reports on the enhanced performance of the scheme proposed by Kim and Arakawa, which has been used in the National Centers for Environmental Prediction (NCEP) Global Spectral Model since 1997. The performance is evaluated against a traditional upper-level drag scheme that is also available in the model. The experiment results reveal that the Kim–Arakawa scheme improves the movement and intensity of an extratropical cyclone and a continental high pressure system that was accompanied by heavy snowfall over Korea on 14–15 February 2001. The monthly verification for medium-range forecasts in December 2006, which are initialized by the NCEP operational analysis, demonstrates overall improvements in the forecasts of large-scale fields in the Northern Hemisphere. Moderate improvements are also found in the seasonal simulation of December–February for the years 1996/97, 1997/98, and 1999/2000. This study concludes that the enhanced lower-level drag should be properly parameterized in global atmospheric models for numerical weather prediction and seasonal prediction.

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34

DOHMOTO, Yasuaki, Mamoru TAKAHASHI, Tohru TAKANO, and Toshimori TAKAHASHI. "Creating Biotopes in Saitama on the Axis of Arakawa River." ENVIRONMENTAL SYSTEMS RESEARCH 24 (1996): 542–46. http://dx.doi.org/10.2208/proer1988.24.542.

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35

Xu, Ce. "Duality Formulas for Arakawa–Kaneko Zeta Values and Related Variants." Bulletin of the Malaysian Mathematical Sciences Society 44, no. 5 (March 4, 2021): 3001–18. http://dx.doi.org/10.1007/s40840-021-01099-7.

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36

Garcia, Raquel Bouso. "Arakawa and Gins’s Nonplace: An Approach from an Apophatic Aesthetics." Journal of Japanese Philosophy 2, no. 1 (2014): 75–103. http://dx.doi.org/10.1353/jjp.2014.0005.

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37

Young, Paul Thomas. "Symmetries of Bernoulli polynomial series and Arakawa–Kaneko zeta functions." Journal of Number Theory 143 (October 2014): 142–61. http://dx.doi.org/10.1016/j.jnt.2014.02.025.

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38

Coppo, Marc-Antoine, and Bernard Candelpergher. "Inverse binomial series and values of Arakawa–Kaneko zeta functions." Journal of Number Theory 150 (May 2015): 98–119. http://dx.doi.org/10.1016/j.jnt.2014.11.007.

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39

Kargın, Levent. "Poly-p-Bernoulli polynomials and generalized Arakawa–Kaneko zeta function." Lithuanian Mathematical Journal 60, no. 1 (August 10, 2019): 29–50. http://dx.doi.org/10.1007/s10986-019-09448-7.

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40

Pletzer, Alexander, and Wolfgang Hayek. "Mimetic Interpolation of Vector Fields on Arakawa C/D Grids." Monthly Weather Review 147, no. 1 (January 2019): 3–16. http://dx.doi.org/10.1175/mwr-d-18-0146.1.

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Interpolation methods for vector fields whose components are staggered on horizontal Arakawa C or D grids are presented. The interpolation methods extend bilinear and area-weighted interpolation, which are widely used in Earth sciences, to work with vector fields (essentially discretized versions of differential 1-forms and 2-forms). The interpolation methods, which conserve the total flux and enforce Stokes’ theorem to near-machine accuracy, are a natural complement to discrete exterior calculus and finite element exterior calculus discretization methods.

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41

Kubo, Atsushi, and Natsuki Yamahira. "Super typhoon induced high silica export from Arakawa River, Japan." Environmental Science and Pollution Research 27, no. 29 (June 23, 2020): 36838–44. http://dx.doi.org/10.1007/s11356-020-09634-y.

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42

Keane, Jondi. "Initiating Change: Architecturing the Body-Environment with Arakawa and Gins." Architectural Design 83, no. 1 (January 2013): 76–83. http://dx.doi.org/10.1002/ad.1528.

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43

Kogure, Toshiaki. "Natural Disaster Measures on Tokyo Metro." Journal of Disaster Research 11, no. 2 (March 1, 2016): 289–97. http://dx.doi.org/10.20965/jdr.2016.p0289.

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This article includes the natural disaster measures taken by Tokyo Metro. In addition to those taken by the former Teito Rapid Transit Authority, Tokyo Metro has been taking new measures -- based on experiences from the Great East Japan Earthquake and a large-scale flood damage simulation recently released by the government -- in preparation for the inland earthquake expected in the capital and flooding from the Arakawa River.

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44

Kuroda, Naoki, Katsuhide Yokoyama, and Tadaharu Ishikawa. "Development of a Practical Model for Predicting Soil Salinity in a Salt Marsh in the Arakawa River Estuary." Water 13, no. 15 (July 28, 2021): 2054. http://dx.doi.org/10.3390/w13152054.

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Our group has studied the spatiotemporal variation of soil and water salinity in an artificial salt marsh along the Arakawa River estuary and developed a practical model for predicting soil salinity. The salinity of the salt marsh and the water level of a nearby channel were measured once a month for 13 consecutive months. The vertical profile of the soil salinity in the salt marsh was measured once monthly over the same period. A numerical flow simulation adopting the shallow water model faithfully reproduced the salinity variation in the salt marsh. Further, we developed a soil salinity model to estimate the soil salinity in a salt marsh in Arakawa River. The vertical distribution of the soil salinity in the salt marsh was uniform and changed at almost the same time. The hydraulic conductivity of the soil, moreover, was high. The uniform distribution of salinity and high hydraulic conductivity could be explained by the vertical and horizontal transport of salinity through channels burrowed in the soil by organisms. By combining the shallow water model and the soil salinity model, the soil salinity of the salt marsh was well reproduced. The above results suggest that a stable brackish ecotone can be created in an artificial salt marsh using our numerical model as a design tool.

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45

Shin, Hyeyum Hailey, Song-You Hong, Jimy Dudhia, and Young-Joon Kim. "Orography-Induced Gravity Wave Drag Parameterization in the Global WRF: Implementation and Sensitivity to Shortwave Radiation Schemes." Advances in Meteorology 2010 (2010): 1–8. http://dx.doi.org/10.1155/2010/959014.

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This paper describes the implementation of the orographic gravity wave drag (GWDO) processes induced by subgrid-scale orography in the global version of the Weather Research and Forecasting (WRF) model. The sensitivity of the model simulated climatology to the representation of shortwave radiation and the addition of the GWDO processes is investigated using the Kim-Arakawa GWDO parameterization and the Goddard, RRTMG (Rapid Radiative Transfer Model for GCMs), and Dudhia shortwave radiation schemes. This sensitivity study is a part of efforts of selecting the physics package that can be useful in applying the WRF model to global and seasonal configuration. The climatology is relatively well simulated by the global WRF; the zonal mean zonal wind and temperature structures are reasonably represented with the Kim-Arakawa GWDO scheme using the Goddard and RRTMG shortwave schemes. It is found that the impact of the shortwave radiation scheme on the modeled atmosphere is pronounced in the upper atmospheric circulations above the tropopause mainly due to the ozone heating. The scheme that excludes the ozone process suffers from a distinct cold bias in the stratosphere. Moreover, given the improper thermodynamic environment conditions by the shortwave scheme, the role of the GWDO process is found to be limited.

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46

BANSAL, R. K., and R. K. DATTA. "A statistical method of forecasting the movement of cyclonic storms in the Bay of Bengal." MAUSAM 25, no. 3 (February 21, 2022): 391–98. http://dx.doi.org/10.54302/mausam.v25i3.5245.

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Arakawa (1963) established a set a of regression equations to forecast the movement and the central pressure of typhoons in the western North Pacific. In the present paper, using a similar scheme, we have fitted two sets of regression equations, one each for the pre-monsoon and post monsoon seasons (1963 to 1970). These equations have been tested during the storm season of 1971 and the results, which are encouraging, are presented in this paper.

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Krishnamurti, T. N., C. Gnanaseelan, A. K. Mishra, and A. Chakraborty. "Improved Forecasts of the Diurnal Cycle in the Tropics Using Multiple Global Models. Part I: Precipitation." Journal of Climate 21, no. 16 (August 15, 2008): 4029–43. http://dx.doi.org/10.1175/2007jcli2106.1.

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Abstract The Tropical Rainfall Measuring Mission (TRMM) satellite supplemented with the Defense Meteorological Satellites Program (DMSP) microwave dataset provides accurate rain-rate estimates. Furthermore, infrared radiances from the geostationary satellites provide the possibility for mapping the diurnal change of tropical rainfall. Modeling of the phase and amplitude of the tropical rainfall is the theme of this paper. The present study utilizes a suite of global multimodels that are identical in all respects except for their cumulus parameterization algorithms. Six different cumulus parameterizations are tested in this study. These include the Florida State University (FSU) Modified Kuo Scheme (KUO), Goddard Space Flight Center (GSFC) Relaxed Arakawa–Schubert Scheme (RAS1), Naval Research Laboratory–Navy Operational Global Atmospheric Prediction System (NRL–NOGAPS) Relaxed Arakawa–Schubert Scheme (RAS2), NCEP Simplified Arakawa–Schubert Scheme (SAS), NCAR Zhang–McFarlane Scheme (ZM), and NRL–NOGAPS Emanuel Scheme (ECS). The authors carried out nearly 600 experiments with these six versions of the T170 Florida State University global spectral model. These are 5-day NWP experiments where the diurnal change datasets were archived at 3-hourly intervals. This study includes the estimation of skills of the phase and amplitudes of the diurnal rain using these member models, their ensemble mean, a multimodel superensemble, and those from a single unified model. Test results are presented for the global tropics and for some specific regions where the member models show difficulty in predicting the diurnal change of rainfall. The main contribution is the considerable improvement of the modeling of diurnal rain by deploying a multimodel superensemble and by constructing a single unified model. The authors also present a comparison of these findings on the modeling of diurnal rain from another suite of multimodels that utilized different versions of cloud radiation algorithms (instead of different cumulus parameterization schemes) toward defining the suite of multimodels. The principal result is that the superensemble does provide a future forecast for the total daily rain and for the diurnal change of rain through day 5 that is superior to forecasts provided by the best model. The training of the superensemble with good observed estimates of rain, such as those from TRMM, is necessary for such forecasts.

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Aonashi, Kazumasa, Ken-ichi Kuma, and Yasuhiro Matsushita. "A Physical Initialization Method for the Economical Prognostic Arakawa-Schubert Scheme." Journal of the Meteorological Society of Japan. Ser. II 75, no. 2 (1997): 597–618. http://dx.doi.org/10.2151/jmsj1965.75.2_597.

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KOBAYASHI, Kenichiro, Norio TANAKA, Kyosuke MARUYAMA, Sho TANAKA, Satoshi WATANABE, and Toshikazu KITANO. "SIMULATION OF ARAKAWA MIDDILE STREAM FLOOD DUE TO TYPHOON 19 2019." Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 77, no. 2 (2021): I_1393—I_1398. http://dx.doi.org/10.2208/jscejhe.77.2_i_1393.

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Xu, Kuan-Man, and Akio Arakawa. "Semiprognostic Tests of the Arakawa-Schubert Cumulus Parameterization Using Simulated Data." Journal of the Atmospheric Sciences 49, no. 24 (December 1992): 2421–36. http://dx.doi.org/10.1175/1520-0469(1992)049<2421:stotas>2.0.co;2.

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