Seyed Kazem Alavi Panah

Seyed Kazem Alavi Panah
University of Tehran | UT · Department of Remote Sensing and GIS

Doctor of Philosophy

About

266
Publications
90,571
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Introduction
Prof. Dr. Alavipanah is now the head of department of Remote Sensing and GIS in University of Tehran. He has received about 10 awards and honors and issued 10 books mainly on RS and GIS, on art and humanities, and also published about 200 articles and conducted more than 20 projects. He is member of International Desertnet. He has membership in EARSeL, the committee of planning for natural resources of Iran, in high council for natural disasters of Iran, in national institute of Iranian elites and editorial board in many journals. He is also a member of Intergovernmental Panel on Soils (ITPS), and coordinator of World Soil Report of Noth East and North Africa, FAO-UN. Prof. Alavipanah now as his main expertise is interested in thermal remote sensing with first book published in this field.

Publications

Publications (266)
Article
Full-text available
Mining activities and associated actions cause land-use/land-cover (LULC) changes across the world. The objective of this study were to evaluate the historical impacts of mining activities on surface biophysical characteristics, and for the first time, to predict the future changes in pattern of vegetation cover and land surface temperature (LST)....
Article
Full-text available
Accurate modeling of Land Surface Ecological Status (LSES) is crucial in environmental applications. Despite valuable benefits, common indices are unable to distinguish LSES of bare soils from lands affected by Anthropogenic Destructive Activities (ADAs). The objective of this study was to present an index to distinguish LSES of different Land Use/...
Conference Paper
Full-text available
Soil moisture hampers the estimation of soil variables from remote and proximal sensing data, reducing the strength of the relevant spectral absorption features. In the present study, 95 soil samples which have different texture were rewetted to 7 different moisture levels (air-dry, 6, 12, 18, 24, 30 and 36%) and reflectance measured by spectroradi...
Article
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The expansion of urbanization has increased the scale and intensity of thermal islands in cities. Investigating how cities are affected by these thermal islands plays an important role in the future planning of cities. For this purpose, this study examines and predicts the effect of land cover (LC) changes in the three classes of LC including urban...
Article
The effect of urban thermal islands due to intersections with major environmental challenges of the 21st century is one of the most important studies on environmental phenomena, and in this regard, the study of the land surface temperature gives a clear perspective of the thermal islands in cities, which, according to the warm and dry climate of Ya...
Article
Sand and dust storms (SDS) are common meteorological phenomena in arid and semi-arid regions caused by natural or anthropogenic factors. Central Iran, covers a large area on the Iranian plateau, and SDS has been known as a prevalent phenomenon in certain parts of the region since ancient times. The frequency and severity of SDS have increased over...
Article
Urban land surface temperature (ULST) is a key variable for environmental applications and widely used in a variety of fields. However, retrieving ULST with high spatial and temporal resolution is still a challenging task since its a function of surface characteristics and geographical, climatic, and seasonal conditions. Assessing the type and inte...
Article
Improving the spatial resolution of Land Surface Temperature (LST) obtained from satellite images is of great importance in various applications, especially in urban areas. Aiming to bridge the gap in the research background, this study attempted to quantify the effect of landscape metrics on the accuracy of urban LST downscaling. The research data...
Article
The purpose of this study is to present a new approach for satellite imagery-derived Land Surface Temperature (LST) disaggregation based on a decision level integration of various disaggregation strategies. Firstly, common disaggregation models including Global Window Strategy (GWS), Regular Local Window Strategy (RLWS), Object-based Window Strateg...
Article
Using the GIS and the Weight-Of-Evidence method, this research prepared a potential map of ancient sites for North-East of Iran. First, some related criteria were selected, and then, using statistical methods, the importance of each causative factor was determined. For example, the slope direction was not statistically significant in the study area...
Article
Moisture is one of the most important factors affecting soil reflectance spectra. However, provisional and dynamic behavior of soil moisture (SM) in salty soils reduce the capability of field spectrometry in the estimation of soil properties. This study aims minimising the effect of SM on the accuracy of visible and near-infrared (VNIR) spectra est...
Conference Paper
Full-text available
Content: Omar Khayyam Neyshabouri, the great Iranian mathematician, quatrain philosopher, poet and sage, lived in the fifth-sixth/eleventh-twelfth centuries. Khayyam' poems show a man who is fascinated by the mystery of existence, the quatrains that are the manifestation of nature and humankind. The nature of everything has a sense of soul, in whic...
Article
Mapping the distribution and type of land use and land cover (LULC) is essential for watershed management. The Tigris-Euphrates basin is a transboundary region in the Middle East shared between six countries, but a recent fine-scale LULC map of the area is lacking. Using Landsat-8 time series, a 30-m resolution LULC map was produced for the Tigris-...
Article
In this research, the data of the LISS-III sensor used for mapping saline soils in the vicinity of Tashk and Bakhtegan Lake, Fars Province. After the corrections of the imagery, the training and control pixels selected and the soil samples (depth of 5 cm) prepared. Then pixels of the imagery classified in different approaches by maximum likelihood...
Article
Employing recent technological advances in surveying and mapping soil salinity is a step forward in controlling saline soils. The aim of this study was to map the topsoil salinity using different methods within the environmental context of the area around Tashk & Bakhtegan Lake (8062 ha) in Iran where soil salinity appears to be a major threat to a...
Article
Full-text available
The data classification of fully polarimetric synthetic aperture radar (PolSAR) is one of the favourite topics in the remote sensing community. To date, a wide variety of algorithms have been utilized for PolSAR data classification, and among them kernel methods are the most attractive algorithms for this purpose. The most famous kernel method, i.e...
Article
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گسترش شهر نشینی سبب افزایش مقیاس و شدت جزایر حرارتی در شهرها شده است. بررسی نحوه متاثر شدن شهرها از این جزایر حرارتی نقش به سزایی در برنامه‌ریزی‌های آتی شهرها دارد. بدین منظور، این پژوهش با بررسی و پیش‌بینی اثر تغییرات پوشش اراضی در سه طبقه مناطق شهری، زمین‌های بایر و پوشش گیاهی در شهر یزد طی 30 سال اخیر با استفاده از تصاویر لندست 5 و 8 و همچنین بر...
Article
Estimation of mineral quantity with the presence of dry and green vegetation at pixel level is a challenging task in hyperspectral image analysis. A multiple linear regression model was trained to remove the effect of vegetation at pixel level in Hyperion image. The main diagnostic absorption features of the minerals in the study area are in 900, 2...
Article
Soil moisture (SM), a critical component of the global hydrological cycle, is affected by individual or combinations of multiple factors including soil properties, climate, and topography. Despite its importance to many disciplines, predicting SM continuously, accurately, and inexpensively over a large area is a great challenge due to its dynamic n...
Article
The COVID-19 pandemic has caused unprecedent negative impacts on our society, however, evidences show a reduction of anthropogenic pressures on the environment. Due to the high importance of environmental conditions on human life quality, it is crucial to model the impact of COVID-19 lockdown on environmental conditions. Consequently, the objective...
Article
Thermal anomaly detection related to strong earthquakes is one of the earthquake precursors extensively investigated by researchers. In this research, five years (March 16th to May 16th, every year from 2009 to 2013) of Land Surface Temperature (LST) data products, obtained from satellite data (MODIS-Aqua), and meteorological data (air and soil tem...
Article
A set of factors cause the Surface Ecological Status (SES) of urban areas to become largely different from the surrounding rural areas. Hence, the degree of poorness of SES in urban areas versus surrounding rural areas forms a zone, which is named Urban Surface Ecological Poorness Zone (USEPZ). The main objective of this study was to propose a new...
Article
The primary formation of soil spatial heterogeneity of young surfaces is not well studied. Along the coast of the Caspian Sea, due to the constant sea-level changes of this closed water basin, young soilscapes have formed in the last centuries. The variability and the spatial pattern of soil salinity were studied at two key sites located at the coa...
Chapter
In order to support sustainable forest management, it is essential to estimate the extent and change of forest cover and to evaluate the environmental and socio-economic impacts of forest dynamics. It is challenging, however, to calculate forest area on a large scale using traditional statistical survey methods. Access to satellite images make it f...
Article
Full-text available
Background and Objective Over the past two decades, the intense need for land surface temperature information for environmental studies and management and planning activities has made estimating the land surface temperature one of the most important scientific topics. On the other hand, different methods have been proposed to estimate the land surf...
Article
This paper proposed an extended rotation-based ensemble method for the classification of a multi-source optical-radar data. The proposed method was actually inspired by the rotation-based support vector machine ensemble (RoSVM) with several fundamental refinements. In the first modification, a least squares support vector machine was used rather th...
Article
Full-text available
Due to the excessive use of natural resources in the contemporary world, the importance of ecological and environmental condition modeling has increased. Wetlands and cities represent the natural and artificial strategic areas that affect ecosystem conditions. Changes in the ecological conditions of these areas have a great impact on the conditions...
Article
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The surface anthropogenic heat island (SAHI) phenomenon is one of the most important environmental concerns in urban areas. SAHIs play a significant role in quality of urban life. Hence, the quantification of SAHI intensity (SAHII) is of great importance. The impervious surface cover (ISC) can well reflect the degree and extent of anthropogenic act...
Article
Full-text available
Moisture is one of the most important factors affects soil reflectance spectra. Temporary and spatially variability of soil moisture leads to reducing capability of spectroscopy in soil properties estimation. Developing a method that could tackle the effect of moisture on soil properties prediction using spectrometry is necessary. This paper utiliz...
Article
Full-text available
Urban Surface Ecological Status (USES) reflects the structure and function of an urban ecosystem. USES is influenced by the surface biophysical, biochemical, and biological properties. The assessment and modeling of USES is crucial for sustainability assessment in support of achieving sustainable development goals such as sustainable cities and com...
Article
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Many scientists and experts have tried to provide better conditions for human comfort with the help of science and technology. From the following two paths, such as existence and non-existence, wisdom and love, matter and meaning, color and colorlessness, medicine and placebo, and in short, we are too far and too close. Since many of the ancients,...
Article
A harmful effect of anthropogenic activities in urban environments is the increases of thermal discomfort and subsequently, a negative effect on humans’ mental and physical performance. Therefore, it is of high importance to detect, monitor, and predict thermal discomfort, especially its temporal and spatial patterns in cities. The objective of thi...
Article
Anthropogenic heat flux (AHF) is a main contributor to the formation of surface urban heat islands (SUHI). Megacities in particular are facing severe problems due to excessive population growth, urban area expansion, human activity, increased energy consumption, and increased anthropogenic heat. In this study, a physical modeling approach based on...
Article
The modeling of Near-Surface Temperature Lapse Rate (NSTLR) is of great importance in various environmental applications. This study proposed a new approach for modeling the NSTLR based on the Normalized Land Surface Temperature (NLST). A set of remote sensing imagery including Landsat images, MODIS products, and ASTER Digital Elevation Model (DEM)...
Article
Modeling and mapping of soil properties are critical in many environmental, climatic, ecological and hydrological applications. Digital soil mapping (DSM) techniques are now commonly applied to predict soil properties with limited data by developing predictive relationships with environmental covariates. Most studies derive covariates from a digita...
Article
Accurate information on soil moisture (SM) is critical in various applications including agriculture, climate, hydrology, soil and drought. In this paper, various predictive relationships including regression (Multiple Linear Regression, MLR), machine learning (Random Forest, RF; Triangular regression, Tr) and spatial modeling (Inverse Distance Wei...
Article
One of the important factors of sustainable development is renewable energies penetration in the energy systems. The present study evaluates the optimum feed-in tariff of photovoltaic electricity production based on the available downward solar radiation potential of each province of Iran while this potential calculated considering geographical, to...
Article
Soil moisture retention is an important environmental factor that controls water availability in agro-ecosystems. Comprehensive information on spatial distribution and patterns of soil properties controlling moisture retention such as organic carbon (OC), clay content, and saturation percentage (SP) are crucial for effective land management and sus...
Chapter
Dust storms occur when strong winds combine with erodible soils that are mainly located in semi-arid and arid regions of the world. Dust storms are multi-driver phenomena with harmful impacts on health, agriculture, infrastructure, transportation, environment, and economy. These natural-anthropogenic phenomena have been especially influential in so...
Article
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Flooding is one of the most problematic natural events affecting urban areas. In this regard, developing flooding models plays a crucial role in reducing flood-induced losses and assists city managers to determine flooding-prone areas (FPAs). The aim of this study is to investigate on the prediction capability of fuzzy analytical hierarchy process...
Article
Full-text available
Urbanization is developing unprecedentedly on a global scale. One of the chief repercussions of urbanization, caused by man-made alterations in land-use/land-cover (LULC), is the formation of urban heat islands. Albeit, differences among landscape structures and its accompanied effects on the environment are mostly neglected. Accordingly, the main...
Article
Full-text available
Normalization of the surface temperature relative to environmental parameters is essential in scientific studies and urban and non-urban areas management. The aim of the current study is to propose a variance-based model for normalization of the surface temperature relative to environmental parameters. For this aim, Landsat 8 satellite bands, MODIS...
Conference Paper
One of the major problems in optics remote-sensing images is cloud detection, because unknown clouds can produce misleading results in analyzing surface and atmospheric parameters. In this paper, we evaluate the ability of Sentinel-2 L1C cloud masks to evaluate clouds on different types of biosphere such as vegetation, soil, residential areas and v...
Article
One of the most important environmental phenomena in urban environments is urban heat island, which plays a big role in understanding anthropogenic activities. The main objective of this study is to present a novel approach based on the differences of the biophysical characteristics between built-up and non-built-up land to model Surface Heat Islan...
Conference Paper
Full-text available
Modeling of Near-Surface Temperature Lapse Rate (NSTLR) is very important in various environmental applications. The Land Surface Temperature (LST) is influenced by many properties and conditions including surface biophysical and topographic characteristics. Some researches have considered the LST - Digital Elevation Model (DEM) feature space to mo...
Conference Paper
Full-text available
Spatiotemporal mapping and modeling of Land Surface Temperature (LST) variations and characterization of parameters affecting these variations are of great importance in various environmental studies. The aim of this study is a spatiotemporal modeling the impact of surface characteristics variations on LST variations for the studied area in Samalgh...
Article
Full-text available
Climate is one most important factors that can reconstructs the formation of soils. Accordingly, the objective of this study is characterizing spatial and temporal trends of soil and surface properties changes in Gomishan region during the period of 2017–1987. For this purpose, 432 monthly product of LST (MOD11C3) and vegetation cover (MOD13C2) of...
Article
Full-text available
Analysis of land surface temperature (LST) spatiotemporal variations and characterization of the factors affecting these variations are of great importance in various environmental studies and applications. The aim of this study is to propose an integrated model for characterizing LST spatiotemporal variations and for assessing the impact of surfac...
Article
Full-text available
Accurate built-up area extraction is one of the most critical issues in land-cover classification. In previous studies, various techniques have been developed for built-up area extraction using Landsat images. However, the efficiency of these techniques under different technical and geographical conditions, especially for bare and sandy areas, is n...
Article
Full-text available
Land Subsidence is considered as one of the riskiest hazards in nature and geology. It may be caused by human activities including but not limited to long-term depletion of water, petroleum, and gas from underground reservoirs. Monitoring and zoning of regions susceptible to land-subsidence within Tigris and Euphrates rivers basin can play a major...
Article
Full-text available
Study on air temperature is one of the most important topics in climate modeling. Modeling diurnal temperature cycle and its extracted parameters play an important role in environmental science. Previous methods for air temperature modeling are ambiguous in modeling and implementation. Thus, this research suggests a new method, based on two-part fu...
Article
We investigated the simultaneous and sympatric movements of a coalition of two Asiatic Cheetahs (Acinonyx jubatus venaticus) and a Persian Leopard (Panthera pardus saxicolor), two rare and highly mobile large felids in Bafq Protected Area, Iran. The animals were tracked with GPS collars for 4.5 to 9 months at a temporal resolution of eight hours. T...
Thesis
Full-text available
Land subsidence, loss of surface elevation, is a kind of geohazard that is mostly linked to over pumping of groundwater and petroleum withdrawal. Misuse and mismanagement of water resources, climate change, drought, undeveloped farming, and over population are the main drivers of land subsidence in the Middle East in general and particularly in Tig...
Article
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Abstract Introduction In the last decades, the earth’s surface has experienced various changes due to some obscure reason being caused by human activities consisting of deforestation and cities expansion. These widespread human changes pose several adverse problems. For instance, an environmental qualitative decrease which culminates in the reducti...
Conference Paper
Full-text available
مستندنگاری عوارض شهری و میراث فرهنگی از اهمیت بالایی برخوردار است. طی سال های اخیر به صورت متعدد از تصو یربرداری مادون قرمز حرارتی در زمینه پایش، مدیریت و حفاظت عوارض شهری و آثار فرهنگی استفاده شده است. مزیت اصلی این روش نسبت به روش های دیگر عدم آسیب به عوارض شهری و آثار فرهنگی به دلیل جمع آوری اطلاعات طیفی بصورت غیر مستقیم می باشد. کاربرد تصویربرد...
Article
Full-text available
Introduction Large severe floods can have enormous influence on the fluvial system in comparison with the floods with lower magnitude and more frequencies. This work addresses the geomorphic response of mountainous rivers to extreme floods to explore the relationships between morphological changes and controlling factors. In October 2015, following...
Article
One of the most important signs of decreasing quality of life in urban environments is the reduction of thermal comfort. Heat discomfort has a negative impact on physical and mental performance of humans. Hence, it is of outmost importance to monitor thermal comfort patterns in cities and study its effect on people. The main objective of this study...
Article
Full-text available
Combining optical and polarimetric synthetic aperture radar (PolSAR) earth observations offers a complementary data set with a significant number of spectral, textural, and polarimetric features for crop mapping and monitoring. Moreover, a temporal combination of both sources of information may lead to obtaining more reliable results compared to th...
Article
Employing an efficient and robust prediction system along with early warnings is useful to reduce the effects of devastating earthquakes. Thermal anomaly, as an earthquake precursory, is widely confirmed. In this study, to characterize the thermal anomalies within a 10-year specific observation interval of Land Surface Temperature (LST), satellite...
Article
Full-text available
Image classification is one of the most common methods of information extraction from satellite images. In this paper, a novel algorithm for image classification based on gravity theory was developed, which was called “homogeneity distance classification algorithm (HDCA)”. The proposed HDCA used texture and spectral information for classifying imag...