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Journal articles on the topic 'Monsoon intra-seasonal oscillations'

Author: Grafiati

Published: 6 September 2023

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1

SEETHARAM, K. "Impact of Madden-Julian oscillations on the Indian summer monsoon sub-divisional rainfalls." MAUSAM 59, no. 2 (2021): 195–210. http://dx.doi.org/10.54302/mausam.v59i2.1251.

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Indian summer monsoon rainfall exhibits inter-seasonal variations in the time scales of 2-7 years which are linked to quasi-biennial oscillations and El nino-Southern Oscillation phenomenon and also intra-seasonal variations in the time-scale of 30-60 days which are linked to activity of MJO which emerged as a dominant mode of intra-seasonal oscillations of Indian summer monsoon rainfall in addition to the other modes of low frequency oscillations. In this scenario, the inter and intra seasonal variability of 29 meteorological sub-divisional rainfalls has been investigated by correlating the M

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2

SRIVASTAVA, H. N., K. C. SINHARAY, and R. K. MUKHOPADHYAY. "Intra-seasonal oscfffations of radio refractive index during southwest monsoon over India." MAUSAM 44, no. 3 (2022): 271–76. http://dx.doi.org/10.54302/mausam.v44i3.3862.

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The study deals with the spatial and temporal variations of intra-seasonal oscillations in radio refractive index during southwest monsoon season over India and islands over Indian seas. Average daily radio refractive index data from 1 June to 30 September and that of the individual years for the period 1969-1986 were subjected to harmonic analysis to investigate the contributions of various periodicities in monsoon radio refractive index. The inter-annual variability of various intra-seasonal oscillations have been studied for each 5° latitudinal strip from 50 oN to 30° N with the help of var

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3

Kulkarni, Ashwini, Ramesh Kripalani, Sudhir Sabade, and Madhavan Rajeevan. "Role of intra-seasonal oscillations in modulating Indian summer monsoon rainfall." Climate Dynamics 36, no. 5-6 (2011): 1005–21. http://dx.doi.org/10.1007/s00382-010-0973-1.

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4

Bhanu Kumar, O. S. R. U., S. Ramalingeswara Rao, S. Ranganathan, and S. S. Raju. "Role of intra-seasonal oscillations on monsoon floods and droughts over India." Asia-Pacific Journal of Atmospheric Sciences 46, no. 1 (2010): 21–28. http://dx.doi.org/10.1007/s13143-010-0003-6.

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5

Srivastava, Ankur, Suryachandra ARao, and Subimal Ghosh. "Bay of Bengal upper-ocean stratification and the sub-seasonal variability in convection: Role of rivers in a coupled ocean-atmosphere model." MAUSAM 74, no. 2 (2023): 483–92. http://dx.doi.org/10.54302/mausam.v74i2.6011.

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The Bay of Bengal (BoB) receives a large amount of freshwater from rains and rivers, resulting in large upper-ocean stratification due to the freshening effect. This salinity stratification has been theorized to impact sea-surface temperature (SST) and convection on intra-seasonal time scales by affecting the ocean mixed layer and the barrier layer. This article aims to quantify the impact of salinity stratification on the sub-seasonal variability in SST and convection by using in-situ ocean observations and coupled model experiments. It is shown that monsoon intra-seasonal oscillations (MISOs

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6

Das, D., M. Chakrabarty, S. Goswami, D. Basu, and S. Chaudhuri. "Impact of intra-seasonal oscillations of Indian summer monsoon on biogeochemical constituents of North Indian Ocean." Theoretical and Applied Climatology 136, no. 3-4 (2018): 839–48. http://dx.doi.org/10.1007/s00704-018-2518-1.

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7

Sharmila, S., P. A. Pillai, S. Joseph, et al. "Role of ocean–atmosphere interaction on northward propagation of Indian summer monsoon intra-seasonal oscillations (MISO)." Climate Dynamics 41, no. 5-6 (2013): 1651–69. http://dx.doi.org/10.1007/s00382-013-1854-1.

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8

Hu, Peng, Wen Chen, Shangfeng Chen, and Ruping Huang. "Statistical analysis of the impacts of intra‐seasonal oscillations on the South China Sea summer monsoon withdrawal." International Journal of Climatology 40, no. 3 (2019): 1919–27. http://dx.doi.org/10.1002/joc.6284.

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9

Muraleedharan, P. M., P. G. Nisha, P. V. Sathe, and K. U. Sivakumar. "Intra-Seasonal Oscillations Associated with Indian Ocean Warm Pool and Summer Monsoon Rainfall and Their Inter-Annual Variability." Journal of the Indian Society of Remote Sensing 40, no. 1 (2011): 75–83. http://dx.doi.org/10.1007/s12524-011-0135-x.

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10

Singh, Charu, and Panini Dasgupta. "Unraveling the spatio-temporal structure of the atmospheric and oceanic intra-seasonal oscillations during the contrasting monsoon seasons." Atmospheric Research 192 (August 2017): 48–57. http://dx.doi.org/10.1016/j.atmosres.2017.03.020.

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11

Chakravarty, Kaustav, Samir Pokhrel, Mahesh Kalshetti, et al. "Unraveling of cloud types during phases of monsoon intra-seasonal oscillations by a Ka-band Doppler weather radar." Atmospheric Science Letters 19, no. 9 (2018): e847. http://dx.doi.org/10.1002/asl.847.

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12

Singh, Charu, Dilip Ganguly, and Puneet Sharma. "Impact of West Asia, Tibetan Plateau and local dust emissions on intra-seasonal oscillations of the South Asian monsoon rainfall." Climate Dynamics 53, no. 11 (2019): 6569–93. http://dx.doi.org/10.1007/s00382-019-04944-5.

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13

Abhilash, S., R. Mandal, A. Dey, et al. "Role of enhanced synoptic activity and its interaction with intra-seasonal oscillations on the lower extended range prediction skill during 2015 monsoon season." Climate Dynamics 51, no. 9-10 (2018): 3435–46. http://dx.doi.org/10.1007/s00382-018-4089-3.

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14

Mandke, Sujata K., Prasanth A. Pillai, and Atul Kumar Sahai. "Simulation of monsoon intra‐seasonal oscillations in Geophysical Fluid Dynamics Laboratory models from Atmospheric Model Intercomparison Project integrations of Coupled Model Intercomparison Project phase 5." International Journal of Climatology 40, no. 13 (2020): 5574–89. http://dx.doi.org/10.1002/joc.6536.

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15

KHOLE, MEDHA. "Activity of Madden Julian Oscillation during 2002 and 2006 – A comparative analysis." MAUSAM 59, no. 3 (2021): 321–26. http://dx.doi.org/10.54302/mausam.v59i3.1263.

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The Indian summer monsoon is characterized by very significant intra-seasonal variability. Madden-Julian Oscillation (MJO) is one of the dominant modes of the intra-seasonal variability of the Indian summer monsoon rainfall. The activity of Madden Julian Oscillation during the monsoon seasons of the two years of contrasting intra-seasonal rainfall variability has been examined in terms of rainfall activity over India and eastward propagation of convection in the near-equatorial region. The study shows the contrasting nature, viz., in the monsoon season of 2002, eastward mode dominated whereas

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16

Corvianawatie, Corry. "SEASONAL AND INTRA-SEASONAL VARIABILITY OF SEA SURFACE TEMPERATURE IN PARI ISLAND-JAKARTA, INDONESIA." Jurnal Kelautan: Indonesian Journal of Marine Science and Technology 12, no. 1 (2019): 97. http://dx.doi.org/10.21107/jk.v12i1.5092.

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<p>Sea Surface Temperatures (SSTs) is one of the most important oceanographic parameter that could affect the marine life, especially coastal ecosystem. SSTs data varies in hourly, daily, seasonal, annual, inter-annual, and even in longer time scales. This condition makes any studies using instantaneous measurement could turn into misleading report due to the lack of time series SSTs data. Thus, the aim of this study is to understand the seasonal and intra-seasonal SSTs dynamics in Pari Island using continuous measurement from temperature logger. This study found that the double peaks of

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17

Kulkarni, Ashwini, S. S. Sabade, and R. H. Kripalani. "Spatial variability of intra-seasonal oscillations during extreme Indian monsoons." International Journal of Climatology 29, no. 13 (2009): 1945–55. http://dx.doi.org/10.1002/joc.1844.

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18

WANG, BIN, and LIGUANG WU. "Sub-seasonal variations of the tropical storm track in the western north Pacific." MAUSAM 48, no. 2 (2021): 189–94. http://dx.doi.org/10.54302/mausam.v48i2.3971.

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With 20-year (1975-94) climatological data, we demonstrate that the tropical storm track over the western North Pacific (0° - 40°N, 100 - 180°E) exhibits prominent sub-seasonal variations on a time scale of about 40 days from May to November. The storm track variability is regulated by the conspicuous Climatological Intra Seasonal Oscillation (CISO) in the strength of the western North Pacific summer monsoon and the associated position of the western Pacific Sub-tropical High. The CISO cycle regulates the number of tropical storm formation during the Pre-Onset and Withdraw Cycles but not durin

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19

Pillai, Prasanth A., and Jasti S. Chowdary. "Indian summer monsoon intra-seasonal oscillation associated with the developing and decaying phase of El Niño." International Journal of Climatology 36, no. 4 (2015): 1846–62. http://dx.doi.org/10.1002/joc.4464.

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20

SIKKA, D. R., and SATYABANBISHOYI RATNA. "On improving the ability of a high-resolution atmospheric general circulation model for dynamical seasonal prediction of the extreme seasons of the Indian summer monsoon." MAUSAM 62, no. 3 (2021): 339–60. http://dx.doi.org/10.54302/mausam.v62i3.313.

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The paper is devoted to examine the ability of a high-resolution National Center for Environmental Prediction (NCEP) T170/L42 Atmospheric General Circulation Model (AGCM), for exploring its utility for long-range dynamical prediction of seasonal Indian summer monsoon rainfall (ISMR) based on 5-members ensemble for the hindcast mode 20-year (1985-2004) period with observed global sea surface temperatures (SSTs) as boundary condition and 6-year (2005-2010) period in the forecast-mode with NCEP Coupled Forecast System (CFS) SSTs as boundary condition. ISMR simulations are examined on five day (pe

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21

Joseph, P. V., Anu Simon, Venu G. Nair, and Aype Thomas. "Intra-Seasonal Oscillation (ISO) of south Kerala rainfall during the summer monsoons of 1901–1995." Journal of Earth System Science 113, no. 2 (2004): 139–50. http://dx.doi.org/10.1007/bf02709784.

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22

Hu, Wenting, Anmin Duan, and Bian He. "Evaluation of intra-seasonal oscillation simulations in IPCC AR5 coupled GCMs associated with the Asian summer monsoon." International Journal of Climatology 37 (March 16, 2017): 476–96. http://dx.doi.org/10.1002/joc.5016.

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23

Di Capua, Giorgia, Jakob Runge, Reik V. Donner, et al. "Dominant patterns of interaction between the tropics and mid-latitudes in boreal summer: causal relationships and the role of timescales." Weather and Climate Dynamics 1, no. 2 (2020): 519–39. http://dx.doi.org/10.5194/wcd-1-519-2020.

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Abstract. Tropical convective activity represents a source of predictability for mid-latitude weather in the Northern Hemisphere. In winter, the El Niño–Southern Oscillation (ENSO) is the dominant source of predictability in the tropics and extratropics, but its role in summer is much less pronounced and the exact teleconnection pathways are not well understood. Here, we assess how tropical convection interacts with mid-latitude summer circulation at different intra-seasonal timescales and how ENSO affects these interactions. First, we apply maximum covariance analysis (MCA) between tropical c

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24

Li, Kuiping, Zhi Li, Yang Yang, Baoqiang Xiang, Yanliang Liu, and Weidong Yu. "Strong modulations on the Bay of Bengal monsoon onset vortex by the first northward-propagating intra-seasonal oscillation." Climate Dynamics 47, no. 1-2 (2015): 107–15. http://dx.doi.org/10.1007/s00382-015-2826-4.

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25

Kusfirdianti, Firda, and Joko Wiratmo. "Rainfall Prediction Due to the Madden Julian Oscillation Factor at the Equator." Proceedings of Malikussaleh International Conference on Multidisciplinary Studies (MICoMS) 3 (January 27, 2023): 00066. http://dx.doi.org/10.29103/micoms.v3i.231.

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In this research, the process of spectral analysis (Fast Fourier Transform) was carried out as a step to find out the phenomena that affect rainfall in the equatorial region which are represented by the cities of Kototabang, Pontianak, Gorontalo and Biak. This is followed by predicting rainfall due to the MJO phenomenon, which is obtained after performing a Bandpass Filter with a cut off of 30 and 90 days on rainfall time series data and the Inverse Fast Fourier Transform (IFFT), using the ARIMA method. The results showed that the study area under study generally had an equatorial rainfall pat

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26

Wu, Guoxiong, Anmin Duan, Yimin Liu, et al. "Tibetan Plateau climate dynamics: recent research progress and outlook." National Science Review 2, no. 1 (2014): 100–116. http://dx.doi.org/10.1093/nsr/nwu045.

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Abstract This paper reviews progress in the study of Tibetan Plateau (TP) climate dynamics over the past decade. Several theoretical frameworks, including thermal adaptation and the TP sensible heat (SH) driving air-pump, have been developed to identify the mechanisms responsible for the circulation anomaly produced by thermal forcing of the TP. Numerical simulations demonstrate that the thermal effects of large-scale orography, including the Tibetan and Iranian Plateaus (TIP), are crucial for the formation of the East Asian and South Asian summer monsoons (SASM) because the surface SH of the

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27

Amador, Jorge A., A. M. Durán-Quesada, E. R. Rivera, et al. "The easternmost tropical Pacific. Part II: Seasonal and intraseasonal modes of atmospheric variability." Revista de Biología Tropical 64, no. 1 (2016): 23. http://dx.doi.org/10.15517/rbt.v64i1.23409.

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<p>This is Part II of a two-part review about climate and climate variability focused on the Eastern Tropical Pacific (ETP) and the Caribbean Sea (CS). Both parts are aimed at providing oceanographers, marine biologists, and other ocean scientists, a guiding base for ocean-atmosphere interaction processes affecting the CS, the ETP, and the waters of Isla del Coco. Isla del Coco National Park is a Costa Rican World Heritage site. Part I analyzed the mean fields for both basins and a larger region covering 25º S - 35º N, 20º W - 130º W. Here we focus on a smaller area (65º W - 95º W, 0º -

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28

Sengupta, Saikat, Sourendra Kumar Bhattacharya, Anant Parekh, S. S. Nimya, Kei Yoshimura, and Anindya Sarkar. "Signatures of monsoon intra-seasonal oscillation and stratiform process in rain isotope variability in northern Bay of Bengal and their simulation by isotope enabled general circulation model." Climate Dynamics 55, no. 5-6 (2020): 1649–63. http://dx.doi.org/10.1007/s00382-020-05344-w.

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29

Singh, Charu. "Intra-seasonal oscillations of South Asian summer monsoon in coupled climate model cohort CMIP6." Climate Dynamics, May 19, 2022. http://dx.doi.org/10.1007/s00382-022-06323-z.

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30

Saha, Prolay, Rahul Mahanta, P. V. Rajesh, and B. N. Goswami. "Persistent Wet and Dry Spells of Indian Summer Monsoon Rainfall: A Reexamination of Definitions of 'Active' and 'Break' Events." Journal of Climate, September 26, 2022, 1–37. http://dx.doi.org/10.1175/jcli-d-21-1003.1.

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Abstract Persisting Wet Events (PWEs) and Persisting Dry Events (PDEs) over the Central India (CI) as defined by rain spells lasting for 5-days or more, above (below) climatology represent an important component of the Indian Summer Monsoon's intraseasonal variability. However, half of such PREs and PDEs that do not overlap with conventionally defined ‘active’ and ‘break’ spells over Central India (CI) while contributing about 20% to the seasonal mean remained poorly studied. Here we find that, in contrast to more abundant longer (> 5-days) wet and dry spells over the CI, the intra-seasonal

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31

Nikumbh, Akshaya C., Arindam Chakraborty, G. S. Bhat, and Dargan M. W. Frierson. "Multiscale interactions between monsoon intra-seasonal oscillations and low pressure systems that produce heavy rainfall events of different spatial extents." Journal of Climate, September 21, 2021, 1–36. http://dx.doi.org/10.1175/jcli-d-21-0231.1.

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AbstractThe sub-seasonal and synoptic-scale variability of the Indian summer monsoon rainfall are controlled primarily by monsoon intra-seasonal oscillations (MISO) and low pressure systems (LPS), respectively. The positive and negative phases of MISO lead to alternate epochs of above-normal (active) and below-normal (break) spells of rainfall. LPSs are embedded within the different phases of MISO and are known to produce heavy precipitation events over central India. Whether the interaction with the MISO phases modulates the precipitation response of LPSs, and thereby the characteristics of e

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32

Thakur, Manoj Kumar, T. V. Lakshmi Kumar, K. Koteswara Rao, Humberto Barbosa, and V. Brahmananda Rao. "A new perspective in understanding rainfall from satellites over a complex topographic region of India." Scientific Reports 9, no. 1 (2019). http://dx.doi.org/10.1038/s41598-019-52075-y.

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Abstract Present study focuses on rainfall over Western Ghats (WG), a complex topographic region (elevation > 500 m) of India to evaluate and to better understand the satellite behavior in contrast with a flat region (FR) (elevation < 500 m) of central India from 1998 to 2016 using the combinatory data sets of TMPA and IMERG (satellite rainfall estimation). The categorical Intra Seasonal Oscillations (ISO) of Indian summer monsoon (ISM) namely, Madden Julian Oscillation (MJO) and Quasi Bi-Weekly Oscillation (QBWO) are tested in satellite and India Meteorological Department (IMD) gridded

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33

Straus, David M. "Preferred intra-seasonal circulation patterns of the Indian summer monsoon and active-break cycles." Climate Dynamics, December 2, 2021. http://dx.doi.org/10.1007/s00382-021-06047-6.

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AbstractIntra-Seasonal circulation regimes are identified from a cluster analysis of 5-day mean anomaly fields of 850 hPa horizontal winds from the ERA-Interim reanalysis for the boreal summer season (June–Sept. for 1979–2018) over the region (50°–100° E; 5° S–35° N). The k-means method was applied to the leading 6 principal components yielding k clusters. The degree of clustering is significant compared to synthetic data sets for any value of $$k > 3$$ k > 3 . The circulation is most likely to stay in the same cluster from one pentad to the next; significant transitions (with 95% confid

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34

Wang, Xuejie, Lide Tian, Hongming Yan та ін. "The intra‐seasonal oscillation of precipitation δ¹⁸O over the Asian equatorial and monsoon regions". Journal of Geophysical Research: Atmospheres, 19 червня 2023. http://dx.doi.org/10.1029/2023jd038869.

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35

Ma, Tianjiao, and Wen Chen. "Recent progress in understanding the interaction between ENSO and the East Asian winter monsoon: A review." Frontiers in Earth Science 11 (January 20, 2023). http://dx.doi.org/10.3389/feart.2023.1098517.

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This paper reviews recent advances in understanding the interaction between the East Asian winter monsoon (EAWM) and El Niño-Southern Oscillation (ENSO). The achievements are summarized into two aspects: 1) the impacts of ENSO on the EAWM, and 2) effects of the EAWM on ENSO. For the first aspect, the results show that: the current climate model simulations of ENSO impacts on the EAWM have a common weaker bias than in the observations; The influence of central Pacific type ENSO on the EAWM is generally weaker than that of the eastern Pacific type ENSO; The precipitation anomalies in the tropica

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36

"PREFACE." IOP Conference Series: Earth and Environmental Science 893, no. 1 (2021): 011001. http://dx.doi.org/10.1088/1755-1315/893/1/011001.

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The seasonal atmospheric condition over the Maritime Continent is mainly driven by the Asian-Australian Monsoon. Precipitation over the Maritime Continent is highly influenced by the intra-seasonal Madden-Julian Oscillation (MJO), also highly affected by the El-Nino Southern Oscillation (ENSO) and Indian Ocean Dipole Mode (IOD). At an interannual time scale the Maritime Continent is also crossed by Indonesia Through Flow (ITF), as the artery connecting Tropical Pacific and Indian Oceans, and acting as a crucial link of the ocean general circulation that affects not only properties of these two

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37

Pradhan, Maheswar, Suryachandra A. Rao, Amitabh Bhattacharya, and Sridhar Balasubramanian. "Improvements in Diurnal Cycle and Its Impact on Seasonal Mean by Incorporating COARE Flux Algorithm in CFS." Frontiers in Climate 3 (February 2, 2022). http://dx.doi.org/10.3389/fclim.2021.792980.

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The variability of predicted variables at daily to seasonal scales in coupled models is primarily governed by surface boundary conditions between the ocean and atmosphere, namely, sea surface temperature (SST), turbulent heat, and momentum fluxes. Although efforts have been made to achieve good accuracy in surface fluxes and SST in observation and reanalysis products, less attention has been paid toward achieving improved accuracy in coupled model simulations. Improper diurnal phase and amplitude in intra-daily SST and precipitation are well-known problems in most global coupled general circul

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38

HagosP, Samson, L. Ruby LeungP, Oluwayemi Garuba, and Christina M. Patricola. "Influence of Background Divergent Moisture Flux on the Frequency of North Pacific Atmospheric Rivers." Journal of Climate, May 7, 2021, 1–33. http://dx.doi.org/10.1175/jcli-d-21-0058.1.

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AbstractThe frequency of North Pacific atmospheric rivers (ARs) affects water supply and flood risk over western North America. Thus, understanding factors that affect the variability of landfalling AR frequency is of scientific and societal importance. This study aims at identifying the sources of the moisture for North Pacific ARs and assessing how different modes of variability modulate these sources. To this end, the sources and variability of the background divergent component of the integrated moisture flux (DIVT) in ARs are identified using MERRA reanalysis. It is shown that in the bore

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Qin, Xinlong, Long Wang, Xuehui Li, Hang Yu, Kui Wang, and Defang Fan. "Regional Characteristics of Precipitation in the Nanpan River Basin, China." Frontiers in Environmental Science 9 (January 21, 2022). http://dx.doi.org/10.3389/fenvs.2021.783515.

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Nanpan River is the source of the Pearl River in China, and thus, the exploitation of water resources in the Nanpan River Basin directly affects development in its middle and lower reaches. In the present study, the availability of water resources in the Nanpan River Basin and their differences were investigated. Sixteen statistical variables including the 25th and 75th percentiles, the coefficient of variation of the seasonal and annual precipitation and the annual precipitation concentration index were examined using monthly precipitation data collected in 33 stations in the Nanpan River Bas

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40

Chiu, Yen-Chao, and Fang-Ching Chien. "Long-term Trends and Interannual Variability of Southwesterly Flows around Southern Taiwan during 44 Mei-yu Seasons." Journal of Applied Meteorology and Climatology, July 31, 2023. http://dx.doi.org/10.1175/jamc-d-23-0029.1.

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Abstract This study investigates the characteristics and long-term trends of southwesterly flows around southern Taiwan (hereafter, SWs) during mei-yu seasons (15 May–15 June) from 1979 to 2022. The results show that the occurrence number of SWs in general exhibited an increasing trend over this 44-year period, with a decadal oscillation starting from a relatively small number in the 1980s and reaching a relative peak in the 2000s. This tendency posts a potential threat to Taiwan due to the increasing trend of heavy rainfall associated with higher moisture flux of the SWs events. The SWs activ

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41

Dong, Wei, Liang Zhao, Wei Cheng, Chunyan Guo, Xinyong Shen, and Haoxin Yao. "Inconsistent trends between early and late winters in extreme cold events in China from 1980 to 2021." Frontiers in Environmental Science 10 (August 10, 2022). http://dx.doi.org/10.3389/fenvs.2022.923228.

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Understanding intra-seasonal variation in extreme cold events (ECEs) has important implications for climate prediction and climate adaptation. However, the ECEs difference between early (from December 1 to January 15) and late (from January 16 to February 28) winters is a lack of sufficient understanding. Herein, we investigated the trends of ECEs over eastern China in early and late winters. Results showed that the number of days with ECEs had a faster and uniformly decreasing trend in late winter over eastern China, whereas the decreasing trend in early winter was not significant because of

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