AI SearchAssessment of soil salinity in a Tropical zone using ALOS PALSAR satellite imagery and ANN model (Record no. 9356)
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| fixed length control field | 05116nas a2200433 a 4500 |
| 005 - DATE AND TIME OF LATEST TRANSACTION | |
| control field | 20260817163642.0 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION | |
| fixed length control field | 170919s2014 th uu m rtt 000 a|eng d |
| 035 ## - SYSTEM CONTROL NUMBER | |
| System control number | .b1219170x |
| 099 #9 - LOCAL FREE-TEXT CALL NUMBER (OCLC) | |
| Classification number | AIT Diss. no.RS-14-07 |
| 100 0# - MAIN ENTRY--PERSONAL NAME | |
| Personal name | Walaiporn Phonphan |
| 245 10 - TITLE STATEMENT | |
| Title | Assessment of soil salinity in a Tropical zone using ALOS PALSAR satellite imagery and ANN model |
| 260 ## - PUBLICATION, DISTRIBUTION, ETC. | |
| Place of publication, distribution, etc. | Pathum Thani, Thailand : |
| Name of publisher, distributor, etc. | Asian Institute of Technology, |
| Date of publication, distribution, etc. | 2014 |
| 300 ## - PHYSICAL DESCRIPTION | |
| Extent | 1 online resource (104 leaves) : |
| Other physical details | ill. |
| 490 1# - SERIES STATEMENT | |
| Series statement | Dissertation ; |
| Volume/sequential designation | no. RS-14-07 |
| 500 ## - GENERAL NOTE | |
| General note | A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Remote Sensing and Geographic Information Systems |
| 502 ## - DISSERTATION NOTE | |
| Dissertation note | Thesis (Ph. D.) - Asian Institute of Technology, 2014 |
| 520 ## - SUMMARY, ETC. | |
| Summary, etc. | Soil salinity is akey agricultural issuein many areas and,without effective investigation and management,canaggravateandexpand. Soil scientists categorize thesoil salinity level by Electrical Conductivity (EC) measurement.However, field measurements of EC values require extensive time, cost, resources, and experience. Thus, remote sensing is an attractive alternativeforcollecting and investigatingspatial data inlarger areas within short time. Due to constraints inoptical image data,microwave remote sensing data was chosen as a tool to study the tropical zone as the area of interest, which is intensely influenced by rainfall and humidity. ALOS L-band provides long wavelength with deep penetrationconsidered as reliable and useful forstudying the field under theaboveconditions.According to soil theory, the EC value isrelatedtosurface roughness and soil moisture.Severalresearchers estimated soil moisture through microwave remote sensing data, but there are fewstudies investigatingthe direct relationship between EC and Backscattering Coefficient(BC). Other researchers have studied through various models or variables that provednot quitesuccessful in derivingEC directly from BC data due to incorporating a large number of inputs and a complex multistage examination to identify salinesoil areasthroughout the learning process.Thus, the study aims to propose anestimation of EC directly from BC of microwave remote sensing data,i.e., arelationship between EC obtained from field survey and BC from microwavedata. Implementation of the study startedbyanalyzingstatistical data comprising EC data from asaline soil field survey and BC of PALSAR-ALOS databy statisticbased methods to investigate therelationship between EC and BC values. Various advanced statistical measurements such as Pearson correlation, regression modeland model fitting (polynomial, logarithm)were applied in this research. The research found thattheregression model gives an r-square value of0.743forthe relationship of EC and BC. Ther-square values were subjecttoanincrease asthepolynomialwas adjusted in the model. Artificial Neural Network (ANN) is one of the techniques to figure out the EC -BC relationshipproposed in this study.The ANN model presented anr-squarevalue of0.93,which was regarded high. BC from radar is influenced bymoisture and surface roughness, which are the main factors in identifying whether anarea has asoil salinity issue or not. Results of the research also reaffirmthe potentialof Radar BC in estimating and monitoring salineareas throughtheANN modellearning process.Therefore, the relationship between BC and EC wasused to develop asalinity modelsuitingthe real-time scenario,whichcan be successfully utilized as an effective analytical tool for EC estimation from microwave remote sensing (PALSAR ALOS) data. |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name entry element | Soil salinization |
| General subdivision | Remote sensing |
| Geographic subdivision | Thailand, Northeastern |
| 700 1# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Tripathi, Nitin Kumar, |
| Relator term | Chairperson |
| 700 0# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Apisit Eiumnoh, |
| Relator term | Examination Committee |
| 700 0# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | TaravudhTipdecho, |
| Relator term | Examination Committee |
| 700 1# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Nakamura, Shinichi, |
| Relator term | Examination Committee |
| 710 2# - ADDED ENTRY--CORPORATE NAME | |
| Corporate name or jurisdiction name as entry element | SuanSunandhaRajabhat University, Thailand, |
| Relator term | Scholarship Donor |
| 810 2# - SERIES ADDED ENTRY--CORPORATE NAME | |
| Corporate name or jurisdiction name as entry element | Asian Institute of Technology. |
| Title of a work | Dissertation ; |
| Volume/sequential designation | no. RS-14-07 |
| 856 ## - ELECTRONIC LOCATION AND ACCESS | |
| Materials specified | Full-Text |
| Uniform Resource Identifier | <a href="http://203.159.5.9/ait-thesis/detail.php?q=B00773">http://203.159.5.9/ait-thesis/detail.php?q=B00773</a> |
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| 998 ## - LOCAL CONTROL INFORMATION (RLIN) | |
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| Cataloger's initials, CIN (RLIN) | 170919 |
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| 942 ## - ADDED ENTRY ELEMENTS (KOHA) | |
| Koha item type | 20-AIT Publication |
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| Koha item type | 40-Archives |
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| Barcode | Barcode : 30050120517213 |
| CREATED | CREATED : 2017-09-19 |
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| Withdrawn status | Lost status | Damaged status | Not for loan | Home library | Current library | Shelving location | Date acquired | Cost, normal purchase price | Total checkouts | Full call number | Barcode | Date last seen | Copy number | Price effective from | Koha item type |
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| Available for Loans | Asian Institute of Technology Library | Asian Institute of Technology Library | AIT Publications | 17/08/2026 | 50.00 | AIT Diss. no.RS-14-07 | 30050120517213 | 17/08/2026 | 1 | 17/08/2026 | 20-AIT Publication | ||||
| Available for Loans | Asian Institute of Technology Library | Asian Institute of Technology Library | AIT Publications | 17/08/2026 | 50.00 | AIT Diss. no.RS-14-07 | 30050120517189 | 17/08/2026 | 2 | 17/08/2026 | 20-AIT Publication | ||||
| Available for Loans | Asian Institute of Technology Library | Asian Institute of Technology Library | Archives | 17/08/2026 | AIT Diss. no.RS-14-07 | 30050120397871 | 17/08/2026 | 17/08/2026 | 40-Archives |