Preparation of Soil Map Using Remote Sensing and GIS Technology
Priprema zemljišne mape korišćenjem tehnologije daljinske detekcije i GIS
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Author
Patwardhan, Ashwini
Gavit, Bhau
Keywords
ERDAS Imagine 8.7 softwareGPS
soil
vector
land use land cover map
GPS
vektor
zemljište
mapa upotrebe i pokrivenosti zemljišta
ERDAS Imagine 8.7 program
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For efficient utilization of soil and water resources, reconnaissance survey
of watershed Godavari valley-5 (GV-5) was carried out in Nashik Soil Survey unit No. 2
for providing comprehensive information characteristics. Representative soil samples
from each of eight villages of the sub-catchments of Gangapur were collected. From the
record of the area sampled, a sample sketch map for reference was made with the help of
magnetic needle. Simultaneously, GPS data was recorded for transferring these points on
map/satellite image. The soil samples were tested in laboratory for determining various
soil properties viz. soil color, mechanical analysis, liquid limit, plastic limit, soil ph, soil
electrical conductivity, soil organic carbon, available nitrogen, available phosphorus,
available potassium & soil calcium content. Vector map was prepared from revenue
boundary of village under the guidance of MERI, Nashik. From the results obtained from
the analysis of vector map, a soil map & land use land cover map was prepared using
ERDAS Imagine 8.7 software. Za efikasnu upotrebu zemljišnih i vodenih resursa izvedeno je prethodno ispitivanje rečnog sliva Godavari doline-5 (GV-5) u Nashik pregledu zemljišta, čime su dobijene opsežne informacije o karakteristikama. Sakupljeni su reprezentativni uzorci zemljišta iz svakog od osam sela područja Gangapur. Iz podataka o uzorkovanoj oblasti napravljena je referentna mapa uzoraka. Istovremeno, GPS podaci su memorisani radi transfera ovih tačaka na mapu/satelitski snimak. Uzorci zemljišta su testirani u laboratoriji radi određivanja različitih zemljišnih karakteristika: boja, mehanička analiza, granična lažnost, granična plastičnost, kiselost, elektroprovodljivost, organski ugljenik, dostupni azot, dostupni fosfor, dostupni kalijum i sadržaj kalcijuma. Napravljena je vektorska mapa na osnovu katastarskih granica sela pod vođstvom MERI, Nashik. Analiza vektorske mape, zemljišne mape i mape upotrebe i pokrivenosti zemljišta izvedena je upotrebom programa ERDAS Imagine 8.7.