نتایج جستجو برای: سنجندهی etm
تعداد نتایج: 2501 فیلتر نتایج به سال:
Forty women took part in a study designed to investigate self-selected exercise intensity relative to ventilatory threshold during circuit weight training (CWT) and exercise-to-music (ETM) sessions. Subjects were assigned to one of two groups which were beginners (B) or habitual exercisers (HE) on the basis of their exercise habits. All subjects first underwent a laboratory cycle ergometer test...
Overarching goal of this paper was to evaluate automated and semi-automated methods of mapping wetlands using Landsat ETM+ and SRTM data. Automated methods consisted of: (a) slope derived from SRTM, (b) Tasseled cap Wetness Index (TCWI), (c) Normalized Difference Water Index (NDWI), (d) multi-band vegetation indices (MBVIs), (e) two band vegetation indices (TBVIs), (f) normalized difference veg...
The objective of this study was to identify the Spatio-temporal variation in landcover Dhaka city, capital Bangladesh. conducted highlight issues changing land-cover mega cities Bangladesh and its future environmental consequences. Land cover changes temporal maps for selected areas were developed by using multi-temporal information data sets Multispectral Scanner (MSS), Thematic Map (TM), Enha...
Remote sensing technology is used in many areas today, facilitating spatial analysis operations under difficult conditions. This offers solutions different fields such as forest degradation, land classification, change and mine detection. In particular, detection of great importance for the economies countries. Detecting mines with terrestrial measurement techniques vegetated a challenging situ...
Acoustic metamaterials have been widely concerned by researchers because of their excellent sound absorption properties. Traditional uncertainty analysis methods for response acoustic with evidence variables limitations. The excessive time spent on repetitive extreme focal elements severely impedes the practical application theory. To reduce computational costs quantification under theory, a re...
Future projections indicate that rain-fed agriculture in North Africa is among the most vulnerable world context of future climate change. This article aims to diagnose relationship between rainfall and wheat yield both current climatic situations a semi arid agro-climatic conditions represented by region Bordj Bou Arreridj. For situation, we used 15 years (1995–2009) recorded durum series. (20...
Single and dual crop coefficient methods are used in conjunction with grass reference evapotranspiration (ETo) to estimate actual crop evapotranspiration (ETc). However, the impact of soil surface residue cover on the accuracy of ETc estimated with these methods is not well understood. The objective of this study is to evaluate and compare the accuracy of the FAO-56 single crop coefficient (sin...
شوری خاک و شور شدن اراضی مجاور یکی از پدیدههای مخرب و محدود کنندۀ توسعه کشاورزی میباشد؛ لذا برای تداوم کشاورزی پایدار این پـدیده باید شناسایی، پایش و مدیریت شود. اولین گـام در این راه، شناسایی مناطق شور و تهیه نقشه شوری خـاکهای کشور است. این تحقیق به منظور ارائه مدلی برای تهیه نقشه شوری با استفاده از دادههای سنجنده etm+ و مقادیر شوری در جنوب اهواز انجام شد. موقعیت مکانی نمونهها با استفاده ...
the use of remote sensing techniques as a suitable solution to estimate the levels of species diversity is of high importance for the sustainable management of forests. in order to investigate the potential of using sensor data from landsat 7 etm+ to estimate species diversity in the zagros forests, digital data related to the august 7, 2002 from forests in the qalajeh kermanshah province were ...
The increasing number of sensor types for terrestrial remote sensing has necessitated supplementary efforts to evaluate and standardize data from the different available sensors. In this study, we assess the potential use of IKONOS, ETM+, and SPOT HRVIR sensors for leaf area index (LAI) estimation in forest stands. In situ measurements of LAI in 28 coniferous and deciduous stands are compared t...
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