International Journal of Innovative Research & Growth最新文献

Comparative study of the chlorophyll content of the leaves of some commercially available plants and their extracts 几种市售植物叶片及其提取物叶绿素含量的比较研究

International Journal of Innovative Research & Growth Pub Date : 2022-04-30 DOI: 10.26671/ijirg.2022.2.11.106

Sreeja P. C., A. C. S., Prasobh Prasad

引用次数: 0

Development of HPLC method for the quantification of verbenone in rosemary extracts 高效液相色谱法测定迷迭香提取物中马鞭草酮含量

International Journal of Innovative Research & Growth Pub Date : 2022-04-30 DOI: 10.26671/ijirg.2022.2.11.105

R. K, Rajeesh K R, Prasobh Prasad

引用次数: 0

Cosmic ray intensity variation with solar flare index, solar coronal index and sunspot numbers solar indices during the period of 1986- 2007 1986- 2007年宇宙射线强度随太阳耀斑指数、日冕指数和太阳黑子数指数的变化

International Journal of Innovative Research & Growth Pub Date : 2022-04-30 DOI: 10.26671/ijirg.2022.2.11.104

Rooplata Chaturvedi, Jaypal Singh Lodhi, S. K. Khandayat, Chitranshi Tiwari, P. Verma

引用次数: 0

H-CMEs and solar wind plasma disturbances in relation to intense geomagnetic storms during the period of 2014-2017 2014-2017年强地磁风暴对h - cme和太阳风等离子体扰动的影响

International Journal of Innovative Research & Growth Pub Date : 2022-04-30 DOI: 10.26671/ijirg.2022.2.11.102

Varinder Pandey, Saket Kumar, Dolly Ochani, P. Verma

{"title":"H-CMEs and solar wind plasma disturbances in relation to intense geomagnetic storms during the period of 2014-2017","authors":"Varinder Pandey, Saket Kumar, Dolly Ochani, P. Verma","doi":"10.26671/ijirg.2022.2.11.102","DOIUrl":"https://doi.org/10.26671/ijirg.2022.2.11.102","url":null,"abstract":"We have studied intense geomagnetic storms magnitude (≤-100nT) observed between 2014 and 2017 with coronal mass ejections, hard X-ray solar flaresand disturbances in solar wind plasma parameters. We have observed that majority of the of intense geomagnetic storms, associated Hard X-Ray solar flares. It is observed that all the intense geomagnetic storms are Hard X-Ray solar flares of different categories. The association rates X-Class, M-Class, C-Class and B-Class X-ray solar flare are:X-Class -9.0%, M-Class-54.54%, C-Class -18.18%, B-Class -18.18% respectively. Intense geomagnetic storms which are associated with halo and partial halo coronal mass ejection (CMEs) are related to hard X-ray solar flares of different categories. It is also observed that these intense geomagnetic are associated with disturbances in solar wind plasma parameters. Positive correlation with correlation coefficient 0.71 has been found between the magnitude of intense geomagnetic storms and the peak value of associated disturbances in interplanetary magnetic fields (IMFB), 0.49between the magnitude of intense geomagnetic storms and the peak value of associated disturbances in southward component in interplanetary magnetic fields (IMF Bz), 0.79between the magnitude of intense geomagnetic storms and the peak value of associated disturbances in solar wind plasma pressure (SWP) . We have concluded that coronal mass ejections associated with hard X-ray solar flare are mainly responsible to cause intense geomagnetic storms.","PeriodicalId":340327,"journal":{"name":"International Journal of Innovative Research & Growth","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121652483","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Solar and interplanetary causes of x-class, x-ray solar flare related forbush decreases of higher magnitude in cosmic ray intensity during the period of solar cycle 23 and rising phase of solar cycle 24 太阳和行星际引起x级、x射线太阳耀斑的原因与第23太阳周期和第24太阳周期上升阶段的宇宙射线强度下降幅度较大有关

International Journal of Innovative Research & Growth Pub Date : 2022-04-30 DOI: 10.26671/ijirg.2022.2.11.101

Ragni Verma, V. Saket, Chitranshi Tiwari, P. K. Shrivastava, P. L. Verma

{"title":"Solar and interplanetary causes of x-class, x-ray solar flare related forbush decreases of higher magnitude in cosmic ray intensity during the period of solar cycle 23 and rising phase of solar cycle 24","authors":"Ragni Verma, V. Saket, Chitranshi Tiwari, P. K. Shrivastava, P. L. Verma","doi":"10.26671/ijirg.2022.2.11.101","DOIUrl":"https://doi.org/10.26671/ijirg.2022.2.11.101","url":null,"abstract":"Forbush decreases (Fds) of higher magnitude associated with X-Class X-ray solar flares observed during the period of solar cycle 23 and rising phase of 24 (1997-2012) have been studied with solar and interplanetary parameters. It is observed that all the Forbush decreases (Fds) are associated with halo and partial halo coronal mass ejections (CMEs), and most of them (82.35%) are higher speed CMEs with speed >1000Km/s. A large positive correlation with a correlation coefficient of 0.68 has been found between the magnitude of Forbush decreases (Fds) and the speed of associated CMEs. Further, all these Forbush decreases (Fds) have been identified as being associated with fast forward interplanetary shocks and disturbances in solar wind plasma parameters. Positive correlations with correlation coefficient 0.44 and 0.37 have been determined between magnitudes of Forbush decreases (Fds), and peak value and magnitude of associated disturbances in solar wind plasma temperature, 0.32 and 0.42 between the magnitude of Forbush decreases (Fds) and peak value and magnitude of associated disturbances in solar wind plasma density. Positive correlations with correlation coefficient 0.32 have also been determined between magnitudes of Forbush decreases (Fds) and the peak value of associated disturbances in solar wind plasma velocity.","PeriodicalId":340327,"journal":{"name":"International Journal of Innovative Research & Growth","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133125955","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Forbush decreases associated with intense geomagnetic storms and their relation with drastic solar features and solar wind plasma parameters during the period of 2003-2012 2003-2012年期间强地磁暴对Forbush衰减的影响及其与剧烈太阳活动特征和太阳风等离子体参数的关系

International Journal of Innovative Research & Growth Pub Date : 2022-04-30 DOI: 10.26671/ijirg.2022.2.11.103

V. Saket, R. Verma, C. Tiwari, P. Verma

{"title":"Forbush decreases associated with intense geomagnetic storms and their relation with drastic solar features and solar wind plasma parameters during the period of 2003-2012","authors":"V. Saket, R. Verma, C. Tiwari, P. Verma","doi":"10.26671/ijirg.2022.2.11.103","DOIUrl":"https://doi.org/10.26671/ijirg.2022.2.11.103","url":null,"abstract":"Sudden short-duration decreases in cosmic ray flux, known as Forbush decreases (FDs), are mainly caused by interplanetary disturbances. In this investigation, an attempts have been made to associated Forbush decreases associated with intense geomagnetic storms and their relation with drastic solar features and solar wind plasma parameters during the period of 2003-2012.From the data analysis, it is observed that all the Forbush decreases (Fds) are associated with halo and partial halo coronal mass ejections (CMEs), and most of them (85.71%) are higher speed CMEs with speed >1000Km/s. A large positive correlation with a correlation coefficient of 0.72 has been found between the magnitude of Forbush decreases (Fds) and the speed of associated CMEs. Further, all these Forbush decreases (Fds) have been identified as being associated with sudden storms commencements and are related to disturbances in solar wind plasma parameters. Positive correlations with correlation coefficient 0.49 have been determined between magnitudes of Forbush decreases (Fds), and peak values of associated disturbances in solar wind plasma temperature, 0.58 between the magnitude of Forbush decreases (Fds) and peak values of associated disturbances in solar wind plasmavelocity.0.67 and 0.65 between the magnitude of Forbush decreases and peak valuesand magnitude of associated disturbances in solar wind plasma pressure. We have also determined a large positive correlation with correlation coefficient 0.72 between magnitude of Forbush decreases and magnitude of associated intense geomagnetic storms. It is concluded that Forbush decrease are caused by coronal mass ejections and interplanetary disturbances that they generate.","PeriodicalId":340327,"journal":{"name":"International Journal of Innovative Research & Growth","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124688387","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

International Journal of Innovative Research &amp; Growth最新文献

International Journal of Innovative Research & Growth最新文献