搜索结果: 1-14 共查到“地球科学总论 K-P-Means”相关记录14条 . 查询时间(0.087 秒)
Regional improvement of global reanalyses by means of a new long-term Mediterranean hindcasted precipitation dataset: a first study over the Iberian Peninsula
Regional improvement global reanalyses Iberian Peninsula
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2010/1/27
Generation of a Mediterranean long-term (1958-2001) homogeneous high resolution environmental database constituted the main objective whitin the HIPOCAS Project. The high number of parameters included...
Analysis on flood generation processes by means of a continuous simulation model
flood generation processes simulation model
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2010/1/27
In the present research, we exploited a continuous hydrological simulation to investigate on key variables responsible of flood peak formation. With this purpose, a distributed hydrological model (DRE...
On the evaluation of debris flows dynamics by means of mathematical models
debris flows dynamics mathematical models
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2009/12/10
The prediction of debris flow dynamic characteristics in a debris flow prone torrent is generally made through the investigation of past events. This investigation can be carried out through a survey ...
Validation of landslide hazard assessment by means of GPS monitoring technique – a case study in the Dolomites (Eastern Alps,Italy)
Validation landslide hazard assessment GPS monitoring technique
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2009/12/30
In the last years a research project aimed at the assessment of the landslide hazard and susceptibility in the high Cordevole river basin (Eastern Dolomites, Italy) have been carried out. The hazard m...
Thunderstorm nowcasting by means of lightning and radar data: algorithms and applications in northern Italy
Thunderstorm nowcasting algorithms and applications northern Italy radar data
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2009/12/31
Thunderstorms and their ground effects, such as flash floods, hail, lightning, strong winds, and tornadoes, are responsible for most weather damages in northern Italy, especially in the warm season fr...
Thunderstorm nowcasting by means of lightning and radar data:algorithms and applications in northern Italy
Thunderstorm nowcasting means of lightning radar data algorithms applications
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2010/1/4
Thunderstorms and their ground effects, such as flash floods, hail, lightning, strong winds, and tornadoes, are responsible for most weather damages in northern Italy, especially in the warm season fr...
Constraining recent Shiveluch volcano eruptions (Kamchatka, Russia) by means of dendrochronology
recent Shiveluch volcano eruptions (Kamchatka, Russia) dendrochronology
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2009/12/30
Shiveluch (N 56°38´, E 161°19´; elevation: active dome ~2500 m, summit of Old Shiveluch 3283 m) is one of the most active volcanoes in Kamchatka. The eruptions of Shiveluch commonly result...
Constraining recent Shiveluch volcano eruptions (Kamchatka,Russia) by means of dendrochronology
recent Shiveluch volcano eruptions means of dendrochronology
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2010/1/4
Shiveluch (N 56°38´, E 161°19´; elevation: active dome ~2500 m, summit of Old Shiveluch 3283 m) is one of the most active volcanoes in Kamchatka. The eruptions of Shiveluch commonly result...
Rain area delineation by means of multispectral cloud characterization from satellite
Rain area delineation multispectral cloud characterization satellite
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2010/1/28
The identification of precipitation areas by microwave based rain algorithms can be improved by means of cloud classification schemes based on multispectral observations. Several recent studies have d...
Source identification of nitrate by means of isotopic tracers in the Baltic Sea catchments
Source identification nitrate isotopic tracers Baltic Sea catchments
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2010/1/13
Nitrate input to a river is largely controlled by land use in its catchment. We compared the information carried by the isotopic signatures of nitrate in 12 Baltic rivers, in relation to the vegetatio...
Monitoring soil wetness variations by means of satellite passive microwave observations:the HYDROPTIMET study cases
soil wetness variations satellite passive microwave observations HYDROPTIMET
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2009/12/28
Soil moisture is an important component of the hydrological cycle. In the framework of modern flood warning systems, the knowledge of soil moisture is crucial, due to the influence on the soil respons...
Assessing the potential of SWVI (Soil Wetness Variation Index) for hydrological risk monitoring by means of satellite microwave observations
Soil Wetness Variation Index hydrological risk satellite microwave observations
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2010/1/22
In the last years satellite remote sensing applications in hydrology have considerably progressed. A new multi-temporal satellite data-analysis approach has been recently suggested in order to estimat...
Clutter and rainfall discrimination by means of doppler-polarimetric measurements and vertical reflectivity profile analysis
Clutter and rainfall discrimination doppler-polarimetric measurements vertical reflectivity profile analysis
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2010/1/22
The estimation of rainfall rate and other parameters from radar scattering volume is heavily affected by the presence of intense sea and ground clutter and echoes which appears in anomalous propagatio...
Space Gravity Spectroscopy - determination of the Earth’s gravitational field by means of Newton interpolated LEO ephemeris Case studies on dynamic (CHAMP Rapid Science Orbit) and kinematic orbits
space gravity spectroscopy spherical harmonics series expansion GPS tracked LEO satellites kinematic
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2010/1/22
An algorithm for the (kinematic) orbit analysis of a Low Earth Orbiting (LEO) GPS tracked satellite to determine the spherical harmonic coefficients of the terrestrial gravitational field is presented...