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Phương pháp cây quyết định cho phân loại dữ liệu vệ tinh được thu thập từ xa sử dụng hỗ trợ mã nguồn mở Dịch bởi AI
Springer Science and Business Media LLC - Tập 122 - Trang 1237-1247 - 2013
RICHA SHARMA, ANIRUDDHA GHOSH, P K JOSHI
Trong nghiên cứu này, một nỗ lực đã được thực hiện để phát triển thuật toán phân loại cây quyết định (DTC) cho việc phân loại dữ liệu vệ tinh được thu thập từ xa (Landsat TM) sử dụng hỗ trợ mã nguồn mở. Cây quyết định được xây dựng bằng cách phân chia đệ quy phân phối quang phổ của tập dữ liệu huấn luyện sử dụng WEKA, phần mềm khai thác dữ liệu mã nguồn mở. Ảnh đã phân loại được so sánh với ảnh đư...... hiện toàn bộ
Subject Index
Springer Science and Business Media LLC - Tập 122 - Trang 1607-1613 - 2013
On drastic change in the relationship between snow cover and Indian monsoon rainfall
Springer Science and Business Media LLC - Tập 132 - Trang 1-10 - 2023
M Sandhya, S Sridharan
The monthly 1°×1° global snow cover (SC) data taken from version three of the twentieth-century reanalysis (20CR) project and the high-resolution gridded rainfall data provided by the India Meteorological Department (IMD) for the years 1957–2015 are used to study the relation between southwest monsoon rainfall (SWMR) over India and the SC over Eurasia (35°–65°N; 40°–80°E) and Himalayas (20°–50°N; ...... hiện toàn bộ
Influence of meteorological parameters on lightning flashes over Indian region
Springer Science and Business Media LLC - Tập 132 - Trang 1-19 - 2023
Pramod Kumar Yadava, Ajay Sharma, Swagata Payra, R K Mall, Sunita Verma
Lightning flashes (LF) and their association with meteorological variables that can influence the occurrence of lightning have been assessed in detail over the Indian domain, i.e., the Convective Available Potential Energy (CAPE), Relative Humidity (RH), Total Column Water Vapour (TCWV), Surface Temperature (ST) and Outgoing Longwave Radiation (OLR). A high-resolution dataset of LF has been retrie...... hiện toàn bộ
Total precipitable water in the atmosphere over India
Springer Science and Business Media LLC - Tập 91 - Trang 189-207 - 1982
S. Rangarajan, A. Mani
Electromagnetic radiation, in its passage through the atmosphere, is attenuated by absorption and scattering by atmospheric gases, dust and aerosols. The most important absorber is water vapour and the most significant parameter in atmospheric absorption studies is the total precipitable water in the atmosphere. The present paper summarises the results of a study made to compute the total precipit...... hiện toàn bộ
Thenmudiyanur Mafic–Ultramafic Complex from the north eastern margin of Southern Granulite Terrane, India: A possible Neoproterozoic Alaskan-type Complex
Springer Science and Business Media LLC - Tập 131 - Trang 1-27 - 2022
T Yellappa
Alaskan-type of plutonic complexes represent arc magma chambers and they occur throughout the earth's history from Archean to Phanerozoic periods around the globe. The ultramafic rocks from these complexes commonly contain spinels of varied chemistry, especially rich in Cr, Fe, and Ti coupled with low-Al contents when compared to the spinels from oceanic or continental rift domains. An attempt is ...... hiện toàn bộ
Bias correction of maximum temperature forecasts over India during March–May 2017
Springer Science and Business Media LLC - Tập 129 - Trang 1-10 - 2019
Harvir Singh, Anumeha Dube, Sushant Kumar, Raghavendra Ashrit
In recent times, instances of intense heat waves have increased over the Indian subcontinent. This increase in temperature has an adverse effect on human health and the economy. Over India, such high temperatures are usually seen during the months of March–May (summer). For weather forecasters, it is a challenging job to accurately predict the timing and intensity of this anomalous high temperatur...... hiện toàn bộ
Thermal and wind structure of the monsoon trough boundary layer
Springer Science and Business Media LLC - Tập 105 - Trang 325-341 - 1996
G. Rajkumar, R. Narasimha, S. P. Singal, B. S. Gera
Radiosonde data from Jodhpur, taken at 0530, 1730 and around 1100 hr IST during MONTBLEX 1990, reveal that the distribution of virtual potential temperature0 v below about 500 hPa has a structure characterized by up to three layers each of approximately constant gradient. We are thus led to introduce a characterization of the observed thermal structure through a sequence of...... hiện toàn bộ
Error propagation in equations for geochemical modeling of radiogenic isotopes in two-component mixing
Springer Science and Business Media LLC - Tập 109 - Trang 79-88 - 2000
Surendra P. Verma
This paper presents error propagation equations for modeling of radiogenic isotopes during mixing of two components or end-members. These equations can be used to estimate errors on an isotopic ratio in the mixture of two components, as a function of the analytical errors or the total errors of geological field sampling and analytical errors. Two typical cases (“Small errors” and “Large errors”) a...... hiện toàn bộ
Species diversity variations in Neogene deep-sea benthic foraminifera at ODP Hole 730A, western Arabian Sea
Springer Science and Business Media LLC - Tập 123 - Trang 1671-1680 - 2014
Yuvaraja Arumugm, Anil K Gupta, Mruganka K Panigrahi
Deep-sea benthic foraminifera are an important and widely used marine proxy to understand paleoceanographic and paleoclimatic changes on regional and global scales, owing to their sensitivity to oceanic and climatic turnovers. Some species of benthic foraminifera are sensitive to changes in water mass properties whereas others are sensitive to organic fluxes and deep-sea oxygenation. Benthic fauna...... hiện toàn bộ
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