In its early stages, soil salinization reduces soil productivity, but in advanced stages, salinization kills all vegetation and transforms fertile and productive land to barren waste. Three models were applied to predict soil salinity from remote sensing: the ordinary least squares model (OLS), spatial autoregressive model (SAR), and modified kriging model. Any integration of field data, GIS, and remote sensing is considered weak unless some strong statistical measures are introduced. Corn and alfalfa crops were selected as indicators of soil salinity. Five images were acquired from Aster, Ikonos, and Landsat to check the correlation between measured soil salinity and remote sensing data. Remote sensing data has great potential for monitoring dynamic processes, including salinization. The environmental damage that salinity can cause is massive. This study has demonstrated a more efficient and accurate way of estimating soil salinity from remote sensing data that should help the efforts toward sustainable agriculture. Observed data was used in conjunction with satellite images. This study has shown the benefit of using satellite images in generating accurate soil salinity maps.
Spatial Modeling of Soil Salinity Using Remote Sensing, GIS, and Field Data
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Книга по Требованию
Методика оптимизации библиотечной системы...
В імітаційній моделі були враховані структура й основні параметри системи. Результати роботи імітаційної моделі були використані для підрахунку критерію ефективності функціонування бібліотечної системи. Поєднуючи імітаційне моделювання з методом Нелдера- Міда, були отримані оптимальні параметри системи. Ключові слова: ІМІТАЦІЙНА МОДЕЛЬ, СИСТЕМА МАСОВОГО ОБСЛУГОВУВАННЯ, КРИТЕРІЙ, ЕФЕКТИВНІСТЬ. HE ABS RAC he repor o he degree work: 76 p., 12 fig., 10 ab., 30 sources I he give degree work he pa hes of risi g of overall performa ce of a library compu erized sys em are co sidered. I he begi i g i was required o collec a d o process he s a is ical i forma io o charac er of service i he library of KSZVA. he followi g s ep was co s ruc io of a imi a i g model of he give orga isa io -eco omic sys em. I he imi a i g model frame a d mai parame ers of he sys em were ake i o accou . he resul s of work of he imi a i g model were used for scori g cri erio of efficacy of he library sys em fu c io i g. Combi i g he imi a i g modeli g wi h he elder-Mid’s me hod, he op imal parame ers of he sys em were received. Key words: imi a i g model, sys em of mass service, cri erio , efficacy.
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