搜索结果: 1-8 共查到“固体地球物理学 K index”相关记录8条 . 查询时间(0.216 秒)
The analysis of the Standardized Precipitation Index in the Mediterranean area:large-scale patterns
Climate variability drought monitoring
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2015/9/28
Problems related to the identification and monitoring of drought are investigated. In particular, drought conditions in Italy are examined using the Standardized Precipitation Index (SPI) on different...
The analysis of the Standardized Precipitation Index in the Mediterranean area:regional patterns
Rainfall observatory drought climate variability
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2015/9/28
In the present paper we propose a method to assess regional drought by using rain-gauge observations. In particular, we analyse the rainfall on the Marche region. We diagnose drought by means of the S...
Retrieving leaf area index from multi-angular airborne data
LAI inversion POLDER HyMap multi-angular
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2015/9/7
This work is aimed to demonstrate the feasibility of a methodology for retrieving bio-geophysical variables whilst at the same time fully accounting for additional information on directional anisotrop...
K-type geomagnetic index nowcast with data quality control
geomagnetic activity index real-time computing nowcast system
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2015/8/27
A nowcast system for operational estimation of a proxy K-type geomagnetic index is presented. The system is based on a fully automated computer procedure for real-time digital magnetogram data acquisi...
Analysis of the geomagnetic activity of the Dst index and self-affine fractals using wavelet transforms
geomagnetic activity Dst index self-affine fractals wavelet transforms
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2009/11/11
The geomagnetic activity of the Dst index is analyzed using wavelet transforms and it is shown that the Dst index possesses properties associated with self-affine fractals. For example, the power spec...
Quasi-biennial oscillations extracted from the monthly NAO index and temperature records are phase-synchronized
Quasi-biennial oscillations monthly NAO index temperature records
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2009/11/9
Using the extension of Monte Carlo Singular System Analysis (MC SSA), based on evaluating and testing the regularity of the dynamics of the SSA modes against the colored noise null hypothesis, we demo...
Spectral Studies of Time Series of the aa Index
Jari Mannermaa Juhani Oksman
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2009/6/15
Spectral Studies of Time Series of the aa Index.
Prediction of the Geomagnetic K Index Based on its Previous Value
geomagnetic forecasting geomagnetic variations K index
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2009/6/9
The statistical behaviour of the geomagnetic K index is studied at two observatories in Finland:Nurmijärvi in the subauroral region and Sodankylä near the auroral region. Using data of 1953–...