RUSSIAN version


Intensity measurements of the global cosmic ray flux and of local radiation background

Cosmic rays

Current data
One minute resolution time series of the pulse counting rate of separate neutron counters in Tien Shan 18NM64 neutron supermonitor which have been registered during the last few days.

Cosmic Ray Intensity Variations
Precision data on the intensity of high energy cosmic ray hadronic component (>109 eV) obtained in continuous long-term measurements at the neutron monitor sites of the Tien Shan Mountain Station (3340 m above the sea level), of Intermediate Cosmic Ray Station (1750 m a.s.l.), of the Kazakh National University (850 m a.s.l), and by the Underground neutron monitor of the Tien Shan station (3340 m a.s.l. + 2000 g/cm2 depth of the rock soil).

Low-energy neutrons

Monitoring data on the intensity of low-energy neutron background at Tien Shan Mountain Station in the energy range of 10-2 - 106 eV.
2019-2020 ;  2018-2019 ;  2006-2017.

Neutron intensity measurements at the 3500 m a.s.l. elevated detector point:

2013 ;  2012 ;  2011.


Intensity measurements of the 30 - 3000 keV gamma-radiation background made at the Tien Shan Mountain Station.
2019-2020 ;  2018-2019 ;  2014-2017-2018.

Atmospheric Data

The measurements of barometric pressure and air temperature in the vicinity of the neutron detector disposition points.

Tien Shan Weather Station

Weather Data
On-line measurements of the atmospheric pressure, temperature, relative humidity and other environmental parameters at the level of Tien Shan mountain station.

Mean values
Averaged data on the pressure, temperature, etc calculated for the moments of 3,9,15,21 hours of LOCAL time.

Extensive Air Showers

EAS characteristics
The basic characteristics of the detected extensive air showers (EAS): the axis position&direction, the total number of the charged particles (shower size), and the "age" parameter which have been obtained through approximation of detected spatial distributions of the shower particles density by a set of Nishimura-Kamata-Greisen functions.

Spectra & Intensities
Time histories of the counting rate intensity and the amplitude spectra of background scintillations written for all particle detectors of the Tien Shan shower system.

EAS Triggers
Statistics data on the EAS trigger events.

The "THUNDERSTORM" Experiment

Electric field

The local electric field strength records written at the level of Tien Shan mountain station with the time resolution of 1-10 s:

2018-2019 ;  2016-2017 ;  2013-2015 ;  2012 ;  2011 ;  2010

Optic sensor

Intensity measurements of atmospheric luminescence in the near infrared and ultraviolet diapasons during the dark time of the days:   2016-2018

Time series of the night time luminescence intensity measured with periodicity of about 190/100/20/10 us, and synchronized with the lightning trigger events.

High-resolution measurements

Time series of signal intensity in temporal vicinity of atmospheric electric discharges written in thunderclouds with temporal resolution of 20/160/200 microsecond:

2016-2018(optic)  2016-2018(gamma)  2016-2017(neutrons) ; 2013-2014 ; 2012 (pdf) ; 2011 (pdf) ; 2010

The "THUNDERSTORM" Experiment: Electrons & Gammas

Gamma-detectors at the Tien Shan station level: 2014-2017 ;  2013 ;  2012 ;  2011

Gamma-detectors of the elevated "TOURIST" system (3800 m a.s.l.): 2015-2018 (time series) ;  2011 ;  2010

Gamma-detectors of the system "PUP"(3500 m a.s.l.): 2013 ;  2012 ;  2011

Electron component accordingly to the large-sized plastic scintillators data: 2013 ;  2012 ;  2011

Electrons & gamma-radiation data from the ionization counter measurements 2013 ;  2012

Particle detectors in Almaty city:
Gamma-detectors of the  ĐšazNU installation (2006-2012);
Ionization detectors of KazNPU(2008-2015).

Applied Geophysics

Low-frequency electromagnetic radiations

One second resolution records of the daily intensity of short-time pulse signals of ionospheric origin (atmospherics) in the VLF (1-20 kHz) frequency range.

High resolution oscillogram samples of the VLF radiation intensity.

Continuous output signal monitoring record from a receiver of electromagnetic field oscillations in the frequency range of 0.1-100 Hz (daily plots).

Acoustic detector

Mean Signal Level
The average intensity of acoustic noise at the 50 m and 100 m (since 2019) depth level under the soil surface of the Tien Shan mountain station.

2019-2020 ;  2017-2019.

Acoustic Events
Continuous 2 ms resolution time series of the intensity of acoustic signal in the vicinity of its temporal increase.

Remarks concerning database operation

The control over information selection requests and the launch of corresponding database communication programs on the server is provided at the client side with the use of JavaScript language scripts whose interpreter must be switched on in the browser.

All time moments in the database are presented in Universal Time (UTC timezone).

The database was started to be filling since 1 January 2006.

The manual on the control of database information requests can be found here.



Some results
Last time modified on Mon Feb 3 17:31:27 2020.