Subscribe to the gold package and get unlimited access to Shamra Academy
Register a new userProcessing of satellite images for observing the iron oxides and texture in the soils from lower basin of Al-abrash river
معالجة صور فضائية لرصد اكاسيد الحديد والتركيب الميكانيكي في ترب من الحوض الادنى لنهر الابراش
550
0 0
0.0
(
0
)
Added by
Damascus University رسالة ماجستير
Publication date
2016
fields
Agricultural Engineering
and research's language is
العربية
Created by
Shamra Editor
Ask ChatGPT about the research
تهدف هذه الدراسة إلى رصد محتوى التربة من أكاسيد الحديد والتركيب الميكانيكي والمادة العضوية وكربونات الكالسيوم ثم رسم خرائط توزع ونسبة العنصر المدروس ضمن سهل عكار جنوب محافظة طرطوس باستخدام صور التابع الصنعي (Rapideye ) تم أخذ العينات من الطبقة السطحية للتربة بطريقة الحفر الصغيرة بحيث تمثل جميع أنواع الترب في منطقة الدراسة
This study aims to monitor the soil content of iron oxides, mechanical composition, organic matter and calcium carbonate, then mapping the distribution and percentage of the studied element within the Akkar Plain, south of Tartous Governorate, using images of the artifact (Rapideye). The soil in the study area
References used
الشاطر , محمد سعيد , اكرم البلخي , ميساء الكبرا (2010) خصوبة التربة والتسميد . منشورات جامعة دمشق
rate research
Read More
SST satellite images analysis has provided us a new description of the surface
circulation in the eastern basin of the Mediterranean Sea. It showed many characteristics
for a lot of mesoscale eddies. In this study, the SST analysis is focalised on
the upwelling
structure showing by images, in the eastern basin of the Mediterranean Sea, which has an
important biological reflection at the marine environment. We have analyzed images for
different periods to identifier this phenomena's places and this will be help us in situ
nutrient observations.
Seventh sector is located on the right bank of the Euphrates River at the town of Abu-
Kamal, the Syrian-Iraq border, and its square 18140 hectares. Invest most heavily sector
too, where crops depend on irrigation, irrigation networks mediated cons
isting of earthen
trenches, canals and to pump water by pumps on the banks of the Euphrates.
Research aims to assess the pedelogical properties of agricultural soils by using laboratory
and field tests: leaching speed, permeability, density, porosity, water field capacity, natural
humidity (hygroscopic– wilt limit), so as to contribute in choosing optimal modalities for
irrigation and drainage, and rehabilitation Land affected by salinity and exited the
investment.
The soils of the sector are clay, clayey sand, fine sand, and it has low permeability, low
water field capacity because of sedimentary origin, and the total porosity is low in the
upper part of subsurface soil because of its impaction. There is a relationship between
hygroscopic moisture of soils and its structural composition. The search recommend to
agriculture Fabaceae crops with different roots deep to help improve soil building, and
need to use spray irrigation method to control the water quantity and wetting depth.
The Seventh sector is located on the right bank of the Euphrates River at the town of ALbu- Kamal, the Syrian-Iraq border. Invest most heavily sector too, by planting different crops which irrigated by irrigation networks consisting of canals and ear
then trenches. Research aims to evaluate the salinity of agricultural soils and unconfined groundwater by doing field surveying of agricultural soils of horizons from ground surface till depth 200cm. and making detailed chemical analysis of free groundwater and evaluate the quality of it to determine the salinity regions and the salinity degree. The salinity of agricultural soils of the sector are sulfate-chlorine and little degree chlorine - sulfate and chlorine classified non salinity –little salinity and little degree moderate salinity to very highly and highly salinity. The salinity of free groundwater between 1.3-28.5 g/l. and classified chlorine sulfate-magnesia calcic and sometimes sulfate chlorine- calcic magnesia. The research recommend to study and determine the leachingrequirement of salinity regions from actual test or choosing the most appropriate experimental equations.
The lithological study and micropaleontological analyses of 21 samples
taken from four geological sections of lower Miocene deposits led to a
stratigraphic study for determination of enrichment of planktonic species in
these deposits . These speci
es were combined with biozones of lower miocene
and their stratigraphic distribution in the studied sections according to
planktonic foraminifera of worldwide spreading . This study contributed in
understanding of paleogeographic development of Neogene basin within this
period of time , which appeared as a marine progress in lower Miocene ,
which continued up to upper Miocene in the northwestern part of Syria . The
sediments of lower Miocene consisted of marl , clay marl deposits with
interfacial layers of clay and limestones or marl limestones deposited
unconformithy with nummoliticlimestones of Eocene , or cretaceous
carbonates rich in betome sometimes .
The geometric correction of remote sensing images becomes a key issue in
production and updating digital maps, multisource data integration, management and
analysis for many geomatic applications. 2D polynomial functions are the most prevalent
to
achieve this correction.
Previous researches have shown that the application of 2D polynomials is
conditioned by the planarity of the terrain and the uniform distribution of ground control
points, but did not explicitly discuss the criteria for evaluating the success or failure of
their application. In this study, we will try to give some of these criteria and to develop
some old analog cartographic rules to suit the nature of the digital satellite images.
In this research, we discussed mathematical foundation for evaluating the precision
of control points- based geometric correction of satellite images. We have also tested the
effect of the topography of the imaged scene on this accuracy. The test has been carried out
by the use of satellite images extracted from Google Earth. These images cover some areas
in the city of Latakia in Syria. Also, control points have been extracted from Google Earth
and transformed into the Syrian stereographic coordinates system.
Results demonstrated that the second degree 2D polynomial is very suitable for plan
small scenes with uniform distribution of the control points over the entire scene.
suggested questions
Log in to be able to interact and post comments
comments
Fetching comments
Sign in to be able to follow your search criteria
