Cosmic ry modulation as observed in stratospheric measurements宇宙射線調(diào)制在平流層觀測(cè)_第1頁(yè)
Cosmic ry modulation as observed in stratospheric measurements宇宙射線調(diào)制在平流層觀測(cè)_第2頁(yè)
Cosmic ry modulation as observed in stratospheric measurements宇宙射線調(diào)制在平流層觀測(cè)_第3頁(yè)
Cosmic ry modulation as observed in stratospheric measurements宇宙射線調(diào)制在平流層觀測(cè)_第4頁(yè)
Cosmic ry modulation as observed in stratospheric measurements宇宙射線調(diào)制在平流層觀測(cè)_第5頁(yè)
已閱讀5頁(yè),還剩9頁(yè)未讀, 繼續(xù)免費(fèi)閱讀

下載本文檔

版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請(qǐng)進(jìn)行舉報(bào)或認(rèn)領(lǐng)

文檔簡(jiǎn)介

1、cosmic ray modulation observed in stratospheric measurementsstozhkov y.i., svirzhevsky n.s., bazilevskaya g.a., makhmutov v.s., svirzhevskaya a.k., logachev v.i.p.n. lebedev physical institute of the russian academy of sciences, leninsky prospect 53, 119991 moscow, russia21st ecrs slovakia, kosice,

2、9-12 september 2008introductionthe data on galactic cosmic ray (cr) fluxes measured in the earths atmosphere at polar (northern and southern) and middle latitudes during the period of about 50 years are presented. these data show long-term modulation processes in the several 11-year solar activity c

3、ycles. minimum and maximum periods are discussed and comparison with the data obtained at the spacecraft of voyager 1 and voyager 2 is made. the analysis of solar activity in the previous solar cycles gives the proof that the 24th solar cycle will be very low. it is possible that we meet new grand s

4、olar activity minimum, like maunder one in 1645-1715.fig.1. time dependence of cr flux at maximum of absorption curve in the atmosphere nmax (monthly averages) obtained at the northern polar latitude (rc = 0.5 gv, green curve), southern polar latitude (mirny station, antarctic, rc = 0.04 gv, blue cu

5、rve), and at middle northern latitude (rc = 2.4 gv, red curve). brown horizontal bar is expected cr flux.fig.2. time dependence of solar activity (douglas v. vogt, kenneth h. shatten.group sunspot number: a new solar activity reconstruction, solar physics, 179, no. 1, pp. 189-219 (1998); http:/sidc.

6、oma.be/index.php3).fig. 3. heliolatitudinal distribution of sunspots during the end of 19th and the start of 20th solar cycles (1961 1967).fig. 4. sunspot number in 1963 -1966 (monthly averages, red points and curve; smoothed data with 3 month, blue curve; left vertical axes). heliolatitudes of suns

7、pots of new 20th solar cycle (green points and left vertical axes). brown circle shows the solar activity minimum period.fig. 5. heliolatitudinal distribution of sunspots in 2003 2008.blue points show heliolatitudes of sunspots of new 24th solar cycle. fig. 6. solar activity in recent time (monthly

8、averages, red points and curve; smoothed data with 3 points).fig. 7. solar activity in 1996 2008 (red points), prognosis of solar activity (blue curve- this report, green curve- /solarcycle/index.html).fig. 8. time dependences of cr fluxes, obtained in our experiment in northe

9、rn and southern polar regions at 1 a.u. and in the heliosphere from 1 a.u. up to 107 a.u. (v1 and v2 data, ep 70 mev). fig. 9. step-like changes of cr fluxes near the earth (red points) and in the outer heliosphere (green triangles and blue squares). horizontal bars show the periods of constant in t

10、ime of cr fluxes. fig. 10. time dependences of cr fluxes observed in the atmosphere and outer heliosphere in recent time in detail. fig. 11. amplitudes of step-like changes observed at 1 a.u. and in outer heliosphere. conclusion- from the middle of 2007 cosmic ray flux has a prolonged maximum near the earths orbit; - it is probably that 24th solar cycle will have low solar activity level;- analysis o

溫馨提示

  • 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請(qǐng)下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請(qǐng)聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
  • 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁(yè)內(nèi)容里面會(huì)有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
  • 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
  • 5. 人人文庫(kù)網(wǎng)僅提供信息存儲(chǔ)空間,僅對(duì)用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對(duì)用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對(duì)任何下載內(nèi)容負(fù)責(zé)。
  • 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請(qǐng)與我們聯(lián)系,我們立即糾正。
  • 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶因使用這些下載資源對(duì)自己和他人造成任何形式的傷害或損失。

評(píng)論

0/150

提交評(píng)論