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دسته بندی: جغرافیا ویرایش: نویسندگان: Pravat Kumar Shit, Biswajit Bera, Aznarul Islam, Sandipan Ghosh, Gouri Sankar Bhunia سری: Geography of the Physical Environment ISBN (شابک) : 3030796337, 9783030796334 ناشر: Springer سال نشر: 2022 تعداد صفحات: 574 زبان: English فرمت فایل : PDF (درصورت درخواست کاربر به PDF، EPUB یا AZW3 تبدیل می شود) حجم فایل: 37 مگابایت
در صورت تبدیل فایل کتاب Drainage Basin Dynamics: An Introduction to Morphology, Landscape and Modelling به فرمت های PDF، EPUB، AZW3، MOBI و یا DJVU می توانید به پشتیبان اطلاع دهید تا فایل مورد نظر را تبدیل نمایند.
توجه داشته باشید کتاب دینامیک حوضه زهکشی: مقدمه ای بر مورفولوژی، منظر و مدل سازی نسخه زبان اصلی می باشد و کتاب ترجمه شده به فارسی نمی باشد. وبسایت اینترنشنال لایبرری ارائه دهنده کتاب های زبان اصلی می باشد و هیچ گونه کتاب ترجمه شده یا نوشته شده به فارسی را ارائه نمی دهد.
این جلد مقدمه ای همه کاره برای مطالعه تکامل حوضه زهکشی، مورفولوژی، هیدرولوژی و رسوب شناسی حوضه زهکشی، تداخل انسانی، خطرات طبیعی و انسانی و تکنیک های مختلف مدیریتی ارائه می دهد.
این کتاب عوامل مسئول رسوبدهی و رشد مطلق و اختصاصی آنها و
میزان تحویل از طریق شاخههای فرعی به جریانهای اصلی را ارائه
میکند. رودخانهها عوامل ژئومورفیک مهمی هستند که تنوع
شگفتانگیزی از شکل و رفتار را منعکس میکنند و طیف وسیعی از
محیط طبیعی که در آن سرچشمه میگیرند را نشان میدهند. تکامل
سیستم زهکشی و توسعه شبکه فضایی در طبیعت پویا و چگونگی تنظیم
آنها در مقیاس زمانی ژئومورفیک در طی میلیون ها سال مورد بحث
قرار گرفته است. این کتاب نشان میدهد که سیستمهای زهکشی چگونه
عمل میکنند و به تغییرات واکنش نشان میدهند و چرا این تفکر
برای شکوفایی مدیریت یکپارچه حوضه مورد نیاز است. در کشورهای
گرمسیری و نیمه گرمسیری فشارهای جمعیتی و همچنین پروژه های
مختلف عمرانی بدون برنامه ریزی مناسب بر روی حوضه زهکشی اجرا می
شود. امروزه دانشمندان حوضه زهکشی را به عنوان یک واحد اداری در
اجرای پروژه های منطقه ای در نظر می گیرند. در این زمینه، این
کتاب برای دانشمندان و دانشمندان جوان محک خواهد بود.
This volume provides a versatile introduction to the study of drainage basin evolution, morphology, drainage basin hydrology and sedimentology, human interference, natural and anthropogenic hazards and various management techniques.
This book offers the responsible factors of sediment yield
and their absolute and specific growth and rate of delivery
through tributaries to the main streams. Rivers are important
geomorphic agents which reflect an amazing variety of form
and behaviour, showing the wide range of natural environment
in which they are originated. The drainage system
evolution and spatial network development within the dynamic
nature are being discussed and how they are adjusted in the
geomorphic time scale over the millions of years. This book
shows how drainage systems function and react to change and
why this thoughtful is required for flourishing integrated
basin management. In tropical and sub-tropical countries
population pressures as well as different developmental
projects are being executed on the drainage basin without
proper planning. Today scientists consider drainage basin as
an administrative unit during implementation of regional
projects. In this context this book will carry a bench mark
for scholars and young scientists.
Foreword Preface Acknowledgments Disclaimer Contents Editors and Contributors 1 Introduction to Drainage Basin Dynamics: Morphology, Landscape and Modelling Abstract 1.1 Introduction 1.2 Key Aims of the Book 1.3 Organization of This Volume References 2 Morphological Dynamics, Erosion Potential and Morphogenesis of Badlands in Laterites of the Bengal Basin, India Abstract 2.1 Introduction 2.2 Geomorphic Identities of Study Area 2.3 Materials and Methods 2.3.1 Secondary Data Collection 2.3.2 Digital Topographic Analysis 2.3.3 Topology of Drainage Network 2.3.4 Morphometric Attributes 2.3.5 SCS-CN Method and Runoff–Sediment Yield Coupling 2.3.6 Quantitative Measures of Gully Erosion Potential 2.4 Results and Interpretation 2.4.1 Stream Ordering System in Gullies 2.4.2 Fractal Dimension of Drainage Network (FDDN) 2.4.3 Model of Stream Magnitude and Channel Link 2.4.4 Linear Aspects of Gullies 2.4.5 Slope and Relief Aspects of Gullies and Statistical Inference 2.4.6 Topographic Threshold of Gully Initiation 2.4.7 Rainfall–Runoff Simulation and Sediment Yield 2.5 Discussion 2.5.1 Triggers of Gully Development 2.5.2 Local Triggers 2.5.3 Upstream Triggers 2.5.4 Downstream Triggers 2.5.5 Geochronology of Gully Initiation 2.5.6 Connectivity Model of Badland Evolution 2.6 Concluding Remarks Acknowledgements References 3 Plan Shape Geomorphology of Alluvial Valley in the Middle-Lower and Deltaic Courses of the Subarnarekha River Basin, India Abstract 3.1 Introduction 3.2 Materials and Methods 3.2.1 Study Area 3.2.2 Database and Data Processing 3.2.3 Extraction of Landform Terraces and Morphological Features 3.2.4 Geometrical Analysis 3.2.5 Sedimentological Analysis 3.3 Results and Discussion 3.3.1 Fluvio-Marine Environments and Landform Terraces 3.3.2 Geometrical Diversity of River Course 3.3.3 Plan Shape Geomorphology and Depositional Environments 3.3.3.1 Geomorphological Features in the Upper Cut and Fill Valley Terrace 3.3.3.2 Geomorphological Features in the Lower Cut and Fill Valley Terrace 3.3.3.3 Geomorphological Features in the Deltaplain 3.3.4 Morphology of Mid-Channel bar 3.4 Sedimentary Stratigraphy and Depositional Environments 3.5 Conclusion Acknowledgements References 4 Quantitative Assessment of Channel Planform Dynamics and Meander Bend Evolution of the Ramganga River, Ganga Basin, India Abstract 4.1 Introduction 4.2 Study Area 4.3 Database and Methodology 4.3.1 Data Acquisition 4.3.2 Image Processing 4.3.3 Channel Planform Parameters 4.3.4 Delineation of Bank Lines 4.3.5 Determining Bank Line Migration 4.3.6 Meander Bend Morphology 4.4 Result 4.4.1 Active Channel Width (ACW) 4.4.2 Active Channel Total Channel Width Ratio (ACTCWR) 4.4.3 Channel Length (CL) 4.4.4 Channel Sinuosity (CS) 4.4.5 Braiding Index (BI) 4.4.6 Active Channel Area (ACA) 4.4.7 Channel Belt Area (CBA) 4.4.8 Active Channel Area-Channel Belt Ratio (ACACBR) 4.4.9 Sandbar Number and Types 4.4.10 Sandbar Area Active Channel Area Ratio (SAACAR) 4.4.11 Channel Centreline Migration 4.4.12 Bank Line Migration 4.4.13 Meander Bend Dynamics 4.4.13.1 Meander Bend Radius (Rmb) 4.4.13.2 Meander Bend Width (Wmb) 4.4.13.3 Meander Bend Curvature Channel Width Ratio (Rcw) 4.4.13.4 Length of Meander Bend (Lmb) 4.4.13.5 Meander Bend Amplitude (Amb) 4.4.13.6 Wavelength of Meander Bend (Wmb) 4.4.13.7 Meander Bend Sinuosity (Smb) 4.5 Discussion 4.5.1 Dynamics of Channel Planform Parameters 4.5.2 Changes in Channel Pattern/Growth of Bars and Islands 4.5.3 Trend of Channel Migration 4.5.4 Pattern of Bank Line Migration 4.5.5 Role of Flood in Channel Planform Change and Channel Migration 4.5.6 Role of Dam on Channel Planform 4.5.7 Evolution of Meander Bend Parameters 4.5.8 Mechanism of Change in Meander Bend Morphology 4.6 Conclusion References 5 Changes of Flow Regime in Response to River Interventions in the Barakar River, India Abstract 5.1 Introduction 5.2 Barakar River: Geomorphic and Climatic Settings 5.3 Materials and Methods 5.4 Results and Discussions 5.4.1 Temporal Trend of Rainfall and Discharge Using the Mann–Kendall Test 5.4.2 Variability in Hydrological Characteristics of the Barakar River 5.4.2.1 Temporal Change in Seasonal Flow Discharge 5.4.2.2 Late Shifting of the Hydrograph at the Maithon Hydraulic Station 5.4.2.3 The Trend of Maximum (Qmax) and Minimum (Qmin) Flow Discharge at Tilaiya and Maithon Hydraulic Station: 5.4.3 Relationship Between Discharge and Rainfall of Two Stations on the Barakar River Basin 5.5 Conclusion Acknowledgements References 6 Landscape Characterization using Geomorphometric Parameters for a Small Sub-Humid River Basin of the Chota Nagpur Plateau, Eastern India Abstract 6.1 Introduction 6.2 Materials and Methods 6.2.1 Database 6.2.2 Data Analysis 6.2.3 Extraction of Morphometric Parameters 6.3 Study Area 6.3.1 River Course and Basin Physiography 6.3.2 Climatic Attributes and Soil Cover 6.3.3 Basin Lithology 6.3.4 Basin Geomorphology 6.4 Results and Discussions 6.4.1 Enumerated Morphometric Parameters 6.4.2 Statistical Analysis of enumerated Morphometric Parameters 6.4.4 Relating changing LULC attributes with the Terrain Units 6.5 Conclusion Acknowledgements References 7 River Raidak-I Migration Dynamics Within Himalayan Foreland Basin Applying Quaternary Sedimentological Bank Facies and Geospatial Techniques Abstract 7.1 Introduction 7.2 Study Area 7.3 Materials and Methods 7.3.1 Data Acquisition 7.3.2 Bank Line Change Detection and Measurement of Lateral Channel Migration 7.3.3 Bank Facies Study 7.3.4 Statistical Techniques 7.4 Results 7.4.1 Channel Sinuosity 7.4.2 Radius of Curvature (Rc) 7.4.3 Channel Width 7.4.4 Short-Term Riverbank Erosion and Accretion Trend 7.4.5 Long-Term Riverbank Erosion and Accretion Trend 7.4.6 Short-Term Channel Migration 7.4.7 Long-Term Channel Migration 7.4.8 Quaternary Sedimentary Bank Facies 7.5 Discussion 7.6 Conclusion Acknowledgements References 8 Spatio-Temporal Variation of Morphological Characteristics in Bhagirathi River—Case Study in Murshidabad District, West Bengal (India) Abstract 8.1 Introduction 8.2 Study Area 8.3 Materials and Methods 8.3.1 Data Used 8.3.2 Digitization of Satellite Data 8.3.3 Cross-Sectional Analysis 8.3.4 Identification of Morphological Characteristics 8.3.5 Hydraulic Sinuosity Index (HSI) 8.3.6 Braiding Index (BI) 8.3.7 Entrenchment Ratio (ER) 8.3.8 Statistical Analysis 8.4 Results 8.4.1 Morphometric Pattern at Different Time Intervals 8.5 Discussion 8.6 Conclusion References 9 Sedimentation and Shifting of Lower Mundeswari and Rupnarayan River, West Bengal, India Abstract 9.1 Introduction 9.2 Study Area 9.3 Database and Methodology 9.3.1 River Velocity 9.3.2 River Discharge 9.3.3 Carrying Capacity 9.3.5 Bank-Full Index 9.3.6 Stream Power 9.3.7 Size of Grain and Particles 9.3.8 Channel Shifting 9.3.9 Sedimentation Analysis 9.3.9.1 River Channel Cross Profile 9.4 Results 9.4.1 Different Kinds of Criteria on River Rupnarayan and Mundeswari 9.5 Discussion 9.6 Conclusion References 10 Role of Controlling Factors in the Development of Drainage Around Rajmahal Hills, Jharkhand and West Bengal Abstract 10.1 Introduction 10.2 Study Area 10.3 Database and Methodology 10.4 Result and Discussion 10.4.1 Drainage Characteristics 10.4.1.1 Linear Aspects Stream Number Mean Stream Length Stream Length Ratio (RL) Bifurcation Ratio (Rb) Stream Length-Gradient Index The Best-Fit Functions to River Longitudinal Profiles Drainage Density (Dd) Stream Frequency (Sf) Constant of Channel Maintenance (CCM) Length of Overland Flow (Lo) Drainage Texture 10.4.2 Topographic Characteristics 10.4.2.1 Relative Relief (Rr) 10.4.2.2 Average Slope (as) 10.4.2.3 Hypsometric Index (Hi) 10.4.3 Geology 10.4.4 Vegetation 10.4.5 Controls on Drainage 10.4.5.1 Topography 10.4.5.2 Geology 10.4.5.3 Lithology 10.4.5.4 Drainage Network and Lineament in Relation to the Structure 10.4.6 Climate 10.4.7 Vegetation 10.5 Conclusion References 11 Analyzing Morphometric Attributes of Kopai River Basin of West Bengal, India, Using Geospatial Technology Abstract 11.1 Introduction 11.2 Study Area 11.3 Materials and Methods 11.4 Result and Discussion 11.4.1 Quantitative Study of Different Geomorphic Attributes 11.4.1.1 Relief Attributes Absolute Relief Relative Relief Average Relief Relief Variability Index Dissection Index 11.4.1.2 Slope Attributes Actual and Average Slope Slope Variability Index Slope Aspect 11.4.1.3 Drainage Attributes Stream Order Stream Number Stream Length Bifurcation Ratio Drainage Density Ruggedness Index Drainage Texture 11.4.1.4 Basin Geometry Circulatory Ratio Elongation Ratio Form Factor 11.4.2 Relationship Among Different Geomorphic Attributes 11.4.2.1 Intra-relation Among Different Relief, Slope and Drainage Parameters Simple Correlation Analysis Partial Correlation Analysis 11.4.2.2 Inter-relationship of Different Relief, Slope and Drainage Parameters Simple Correlation Analysis Principal Component Analysis to Identify Major Controlling Variables 11.4.3 Identification of Stage of Landform Evolution 11.5 Conclusion References 12 Impact Assessment of Check Dam in the Pappiredipatti Watershed (South India) Using LULC and NDVI Signatures Abstract 12.1 Introduction 12.2 Study Area 12.3 Material and Methods 12.4 Result and Discussion 12.4.1 Land Use and Land Cover Changes 12.4.2 Validation and Simulations of LU/LC 12.4.3 Effect of Land Use Change 12.4.4 Proximity of WCS Function by NDVI 12.4.5 Land Use and Land Cover Change Analysis 12.4.5.1 Shannon’s Diversity Index (H) 12.4.5.2 Simpson’s Diversity Index (D) 12.4.6 Field Photographs of the Inspected Area 12.5 Conclusion References 13 Morphometric Analysis for Prioritizing Sub-watershed and Management Using Geospatial Technique Abstract 13.1 Introduction 13.2 Study Area 13.3 Materials and Method 13.3.1 Data Used 13.3.2 Method 13.3.2.1 Delineation of Stream Network 13.3.2.2 Quantitative Analysis of Morphometric Characteristics 13.3.2.3 Sub-watershed Prioritization 13.4 Result and Discussion 13.4.1 Morphometric Aspect 13.4.2 Linear Aspects 13.4.2.1 Stream Order (Os) 13.4.2.2 Stream Length (Lu) 13.4.2.3 Mean Stream Length (Lsm) 13.4.2.4 Stream Length Ratio (Rl) 13.4.2.5 Bifurcation Ratio (Rb) 13.4.2.6 Mean Bifurcation Ratio (Rbm) 13.4.3 Areal Aspects 13.4.3.1 Basin Length (Lb) 13.4.3.2 Drainage Density (Dd) 13.4.3.3 Texture Ratio (Rt) 13.4.3.4 Stream Frequency (Fs) 13.4.3.5 Form Factor (Ff) 13.4.3.6 Elongation Ratio (Re) 13.4.3.7 Circularity Ratio (Rc) 13.4.3.8 Length of Overland Flow (Lg) 13.4.4 Relief Aspects 13.4.4.1 Relative Relief (RR) 13.4.4.2 Relief Ratio (Rh) 13.4.4.3 Dissection Index (DI) 13.4.4.4 Ruggedness Number (Rn) 13.4.5 Sub-Watershed Prioritization 13.5 Conclusions References 14 Spatio-temporal Variation of Channel Migration and Vulnerability Assessment: A Case Study of Bhagirathi River Within Barddhaman District, West Bengal, India Abstract 14.1 Introduction 14.2 Study Area: General Geographical Settings 14.3 Materials and Methods 14.3.1 Database 14.3.2 Methodology 14.3.2.1 Data Processing 14.3.2.2 Data Analysis 14.4 Results and Discussion 14.4.1 Changing Pattern of the Bhagirathi River from 1930 to 1987 14.4.2 Changing Pattern of the Bhagirathi River from 1987 to 1997 14.4.3 Changing Pattern of the Bhagirathi River from 1997 to 2008 14.4.4 Changing Pattern of the Bhagirathi River from 2008 to 2018 14.4.5 Bank Line Dynamics of the Bhagirathi River: Socio-economic Impacts 14.4.6 Chances of Vulnerability of the Areas Adjacent to the Bhagirathi River 14.5 Data Validation 14.6 Conclusion Acknowledgements Disclosure Statement References 15 Alluvial Channel Dynamic Associated with LULC Change in Himalayan Foothill Abstract 15.1 Introduction 15.2 Study Area 15.3 Database and Methodology 15.3.1 Database 15.3.2 Methodology 15.3.2.1 Bankline Extraction 15.3.2.2 Determination of Channel Migration, and Geometrical Parameters 15.3.2.3 LULC Mapping and Their Change Detection 15.3.2.4 Validation Techniques 15.4 Results 15.4.1 Dynamics of the Channel Migration and Meander Geometry 15.4.2 Channel Migration 15.4.3 Widening of Channel 15.4.4 Radius of Curvature 15.4.5 Sinuosity Index 15.4.6 Meander Wavelength 15.4.7 Meander Width 15.4.8 Amplitude 15.4.9 Arc Angle 15.4.10 Direction Angle 15.4.11 LULC Change and Channel Migration 15.4.11.1 LULC Change 15.4.11.2 Effect of Channel Migration on LULC Change 15.5 Discussion 15.5.1 Impact of Floods on Channel Migration and Changing LULC Pattern 15.5.2 Effect of Tectonic Activity on Channel Migration and Changing LULC Pattern 15.5.3 Human Impact on Channel Migration and Changing LULC Pattern 15.6 Conclusion References 16 Preliminary Insights on the Dynamics of Flow Regime and Sediment Flux in Drainage Basin Study Abstract 16.1 Introduction 16.2 Concept of System and Scale in Basin Research 16.3 Flow Regime, Flood Geomorphology, and Climate Change 16.4 Sediment Flux in Fluvial System 16.5 Human Interference on River System 16.5.1 Dam: As Major Anthropogenic Factor in the Dynamics of Fluvial System 16.6 Environmental Perspectives to Manage Rivers 16.7 Concluding Remarks References 17 An Integrated Approach of River Health Assessment Based on Physico-chemical Parameters of the River Subarnarekha, India Abstract 17.1 Introduction 17.2 Study Area 17.3 Methodology 17.3.1 River Health Indicators 17.3.2 Chemical Health Analysis 17.3.3 Sampling Procedure 17.3.4 Physical and Biological Health Analysis 17.3.5 Multi-Criteria Decision Analysis (MCDA) 17.4 Results and Discussion 17.4.1 Chemical Health Status 17.4.2 Physico-biological Health Status 17.5 Conclusions Acknowledgements References 18 Automatic Strahler’s Stream Order Computing on Digital Stream Network Dataset Abstract 18.1 Introduction 18.2 Strahler’s Stream Ordering 18.3 Materials and Method 18.4 Results and Discussion 18.4.1 Define the Function 'Junction1' with an Argument 'FTNodeList' 18.4.2 Define the Function 'Junction2' with an Argument 'HigherOrder1' 18.4.3 Define the Function 'GroupSegment' with Two Arguments 'HigherOrder1' and 'JunList3' 18.4.4 Identify Stream Order Third and Above 18.4.5 Update Attribute of Stream Order 18.4.6 Validation of Result 18.5 Conclusions References 19 Morphometry-Based Subwatershed Prioritization for Flood Potentiality Analysis of the Gumani River Basin (India) Using TOPSIS Abstract 19.1 Introduction 19.2 Study Area 19.3 Datasets and Methodology 19.3.1 Datasets 19.3.2 Methodology 19.3.3 Extraction of Morphometric Parameters 19.3.4 Morphometric Indices 19.3.5 TOPSIS 19.4 Results and Discussion 19.4.1 Morphometric Parameters 19.4.1.1 Linear Aspect 19.4.1.2 Areal Aspect 19.4.1.3 Relief Aspect 19.4.2 Prioritization of Drainage Basins 19.5 Conclusion References 20 Runoff Estimation of the Kolong River Basin in Assam, India Using NRCS-Curve Number Method and Geospatial Techniques Abstract 20.1 Introduction 20.2 Materials and Methods 20.2.1 Study Area 20.2.2 Database and Methodology 20.2.3 NRCS-CN Model 20.2.4 Antecedent Moisture Condition 20.2.5 Hydrologic Soil Group (HSG) 20.2.6 Area Weighted Curve Number 20.2.7 Weibull’s Plotting Position 20.3 Results and Discussions 20.3.1 Runoff Frequency Analysis 20.4 Conclusion References 21 Geomorphological Analyses of Third-Order Basins in Southwestern Nigeria Abstract 21.1 Introduction 21.2 Study Area 21.2.1 Location 21.2.2 Drainage and Relief 21.2.3 Climate and Vegetation 21.2.4 Geology 21.3 Methodology 21.3.1 Types and Sources of Data 21.3.2 Extraction of Channel Network Using Digital Elevation Models (DEMs) 21.3.3 Basin Determination and Procedure 21.3.4 Data Analyses 21.4 Results and Discussion 21.4.1 Geomorphic Description of the Selected Six Third-Order Basins 21.4.1.1 Oke-Ogun Basin 21.4.1.2 Igboburo Basin 21.4.1.3 Awon Basin 21.4.1.4 Onikoko Basin 21.4.1.5 Odo-Oba Basin 21.4.1.6 Ayin Basin 21.4.2 Slope–Area Curves 21.4.3 Channel Network and Lithological Pattern 21.5 Conclusion References 22 Multi-criteria-based Morphometric Prioritization for Soil Erosion Susceptibility and Denudation Rate Assessment of Purulia District, India Abstract 22.1 Introduction 22.2 Materials and Methods 22.2.1 Study Area and Database 22.2.2 Morphometric Analysis 22.2.3 Prioritization Using Morphometric Parameters 22.2.4 Denudation Rate Estimation 22.3 Results and Discussions 22.3.1 Morphometric Analysis 22.3.2 Basic Parameters 22.3.2.1 Sub-Watershed Area (a) and Perimeter (P) 22.3.3 Linear Parameters 22.3.3.1 Stream Order (U) 22.3.3.2 Total Length of Streams (Lu) 22.3.3.3 Bifurcation Ratios (Rb) and Mean Bifurcation Ratios (mRb) 22.3.3.4 Stream Length Ratio (Rl) 22.3.4 Shape or Arial Parameters 22.3.4.1 Drainage Density (Dd) 22.3.4.2 Texture Ratio (T) 22.3.4.3 Stream Frequency (Fs) 22.3.4.4 Circularity Ratio (Rc) 22.3.4.5 Elongation Ratio (Re) 22.3.4.6 Compactness Coefficient (Cc) 22.3.4.7 Form Factor (Rf) 22.3.4.8 Length of Overland Flow (Lof) 22.3.4.9 Shape Basin (Bs) 22.3.5 Relief Parameters 22.3.5.1 Basin Relief (Bh) 22.3.5.2 Relief Ratio (Rh) 22.3.5.3 Ruggedness Number (Rn) 22.3.6 Soil Erosion Susceptibility Analysis 22.3.6.1 Assessing the Influence of Morphometric Parameters on Soil Erosion Susceptibility 22.3.6.2 Assessing the Influence of Slope on Soil Erosion Susceptibility 22.3.6.3 Identify the Influence of Land Use Land Cover, Geology, Soil and Landforms on Soil Erosion Susceptibility 22.3.7 Denudation Characteristics 22.4 Conclusions References 23 Geomorphic Appraisal of Active Tectonics and Fluvial Anomalies in Peninsular Rivers of the Bengal Basin (West Bengal, India) Abstract 23.1 Introduction 23.2 Geomorphic Setting of Study Area 23.3 Methodology and Database 23.4 Results 23.4.1 Elements and Features of Active Tectonics 23.4.1.1 Geotectonic Settings 23.4.1.2 Bouguer Anomaly 23.4.1.3 Pattern of Earthquakes 23.4.1.4 Seismites 23.4.2 Standard Sinuosity Index 23.4.3 Stream Length—Gradient Index 23.4.4 Hypsometric Analysis 23.4.5 Drainage Basin Asymmetry Factor 23.4.6 Basin Elongation Ratio 23.5 Discussion 23.6 Conclusion References 24 Morphological Landscape Mapping of the Bhagirathi Flood Plains in West Bengal, India, Using Geospatial Technology Abstract 24.1 Introduction 24.2 The Study Area 24.2.1 Locational Attributes 24.2.2 Hydro-Geomorphic Settings 24.3 Materials and Methodology 24.3.1 Database 24.3.2 Methodology 24.3.2.1 Software and Data Processing 24.3.2.2 Channel Change Detection and Analysis 24.3.2.3 Land Use and Land Cover Mapping and Analysis 24.4 Results and Discussion 24.4.1 Morphodynamic Change Analysis of Bhagirathi, Churni, Mathabhanga, and Ichamati Rivers 24.4.1.1 Bhagirathi-Hooghly River 24.4.1.2 River Churni 24.4.1.3 Mathabhanga 24.4.1.4 Ichamati River 24.4.2 Channel Migration 24.4.3 Channel Dynamics Impacts on Flood Plain LULC 24.5 Conclusion 24.5.1 Major Findings 24.5.2 Managements Issues References Index