George Papadavid

Agricultural Research Institute Cyprus · Agricultural Development Agricultural Economics / Geoinformation Lab

This study aims to evaluate critical success factors (CSFs), considering the perspectives of various stakeholders who are involved in enterprise resource planning (ERP) implementation in agricultural processing companies in Central Macedonia (Greece). This evaluation—combined with aspects from the literature—may show how a digital production system...

It seems that the future scenarios for water resources management are characterized by increasing demand and by the short-term unsustainability of many reservoirs in the Mediterranean basin. To address these scenarios, improved management of water resources was needed for water economy, and water recycling policies. Furthermore, agriculture charact...

Remote sensing is considered as an increasingly important technology for maritime surveillance. The process of maritime surveillance for safety is critical for every country. The need for information on migrant movements by sea using different sizes and types of vessels is of paramount significance. Such information is essential for the search and...

Smart farming based on Internet of Things (IoT) technologies enables crop farmers to collect real-time data related to irrigation and plant protection processes, aiming to increase production volume, improve product quality and predict diseases, while optimizing resources and farming processes. IoT devices can collect vast amount of environmental,...

Agriculture is highly dependent on climate change, and Cyprus especially is experiencing its impacts on agricultural production to a greater extent, mainly due to its geographical location. The adaptation of farming to the effects of global climate change may lead to the maximization of agricultural production, which is an important and desirable i...

The agricultural sector of Cyprus is seriously affected by climate change impacts. In the framework of the ADAPT2CLIMA project, the available techniques and methods implemented worldwide for the adaptation of six crops (wheat, barley, potatoes, tomatoes, grapes, and olives) to climate change impacts were thoroughly assessed. The identified adaptati...

The agricultural sector of Cyprus is seriously affected by climate change impacts. In the framework of the ADAPT2CLIMA project, the available techniques and methods implemented worldwide for the adaptation of six crops (wheat, barley, potatoes, tomatoes, grapes, and olives) to climate change impacts were thoroughly assessed. The identified adaptati...

The chapter presents an overview of various methods and model approaches that can be used to derive crop evapotranspiration and agricultural yield state from remote sensing data. The overview is based on an extensive literature review. The studied literature reveals that many valuable techniques have been developed both for the retrieval of evapotr...

The National Adaptation Strategy of Cyprus Agriculture to Climate Change was developed in the frame of the ADAPT2CLIMA LIFE project, co-financed by the LIFE programme for the Environment and Climate Action (2014-2020) http://adapt2clima.eu/en/. It contains a summary of future changes in climate conditions and their impacts on crops and water resour...

This paper aims to explore the integration of field spectroscopy and satellite remote sensing approaches to detect underground structures in Cyprus. A SVC-HR1024 field spectroradiometer was used and in-band reflectances were determined for medium resolution Landsat 7 ETM satellite sensor. In order to study possible differences of the spectral signa...

In the frame of the ADAPT2CLIMA LIFE project, Cyprus developed the National Adaptation Climate Change Adaptation Strategy for agriculture.

Remote sensing is considered as an increasingly important technology for military intelligence. New satellite missions, such as Sentinel 2A, may provide systematic datasets for monitoring vast areas of interest. However, there is a great need to understand the information retrieved from such sensors. This paper contemplates the results obtained fro...

The reuse of treated wastewater (TWW) for irrigation and the use of biosolids and manures as soil amendment constitute significant pathways for the introduction of the contaminants of emerging concern (CECS) to the agricultural environment. Consequently, CECS are routinely detected in TWW-irrigated agricultural soils and runoff from such sites, in...

The “ATHENA” H2020 Twinning project seeks to establish a Center of Excellence in the field of Remote Sensing for Cultural Heritage through the development of an enhanced knowledge base and innovative methods in the areas of Archaeology and Cultural Heritage. This paper presents an overview of the ATHENA twinning project as well a review of the remo...

Precision agriculture (PA) constitutes a dynamic production method which is gaining attention in several parts of the world. Its environmental and economic sustainability has been examined in terms of its ability to reduce the adverse effects of agrochemical use—by regulating their application to the levels needed at the land parcel level—and of it...

The LIFE ADAPT2CLIMA project aims to increase knowledge on the vulnerability of the EU Mediterranean agriculture to climate change and to support decision making for adaptation planning. The project is implemented in the islands of Crete (Greece), Sicily (Italy) and Cyprus, where certain pilot areas representative of the agricultural sectors of the...

This study attempts to seek the main educational needs of young farmers regarding the use of precision agriculture in Serres, Greece. The main methodological analysis includes a descriptive analysis of frequencies, a categorical principal components analysis (CaPCA) and a categorical regression (CatReg). The most interesting result of this research...

This paper aims to explore how field spectroscopy is essential for remote sensing studies for the detection and monitoring of various features such military underground structures in Cyprus. A SVC-HR1024 field spectroradiometer was used and in-band reflectances were determined for medium resolution Landsat-7 ETM satellite sensor, in order to study...

Remote sensing can efficiently support the quantification of crop water requirements included in the goal of assessing water footprints, which is to analyse how human activities or specific products relate to issues of water scarcity and pollution and identify how activities and products can become more sustainable from a water perspective. Remote...

Water allocation to crops, and especially to the most water intensive ones, has always been of great importance in agricultural processes. Deficit or excessive irrigation could create either crop health-related problems or water over-consumption, respectively. The latter could lead to groundwater depletion and deterioration of its quality through d...

This paper aims to investigate different methods for the detection of underground concrete structures using as a case study an area of abandoned military bunkers. Underground structures can affect their surrounding landscapes in different ways, such as alter the moisture capacity of soil, its composition and the vegetation vigor. The latter is ofte...

This paper introduces the Third International Conference on Remote Sensing and Geoinformation of Environment - RSCy2015, which was organized by the Cyprus Remote Sensing Society. A brief summary of the institution is made, followed by an overview of selected papers that were presented at this Conference.

Nowadays, the remote sensing techniques have a significant role in all the fields of agricultural extensions as well as agricultural economics and education but they are used more specifically in hydrology. The aim of this paper is to demonstrate the use of field spectroscopy for validation of the satellite data and how combination of remote sensin...

Underground structures can affect their surrounding landscapes in different ways such as soil moisture content, soil composition, vegetation vigour etc. The latest is often observed on the ground as a crop mark; a phenomenon which can be used as a proxy to denote the presence of underground and not visible structures. This paper presents the result...

Water allocation to crops, and especially to the most water intensive ones, has always been of great importance in agricultural process. Deficit or excess water irrigation quantities could create either crop health related problems or water over-consumption situation which lead to stored water reduction and toxic material depletion to deeper ground...

Underground structures can affect their surrounding landscapes in different ways such as soil moisture content, soil composition and vegetation vigor. Vegetation vigor is often observed on the ground as a crop mark; a phenomenon which can be used as a proxy to denote the presence of underground and not visible structures. This paper presents the re...

This paper focuses on the use of Unmanned Aerial Vehicles (UAVs) over the study area of Pissouri in Cyprus to document the sloping landscapes of the area. The study area has been affected by overgrazing, which has led to shifts in the vegetation patterns and changing microtopography of the soil. The UAV images were used to generate digital elevatio...

Remote sensing, as the tool for spatially continuous measurements has become a trend for estimating Crop Yield since economically efficient agricultural management is highly dependent on detailed temporal and spatial knowledge of the processes affecting physiological crop development. This paper aims at examining the use of field spectroscopy along...

The present study reviewed the structural characteristics of Cypriot agriculture, the supply and trade chain of agricultural products and the relationship between agriculture and the environment. A re-evaluation of water and irrigation crops’ requirements was done and total water requirements of crops, based on CAPO areas for 2014, were estimated....

The objective of this work is the investigation of the specific relationships between actual evapotranspiration based crop coefficients and vegetation indices adapted to Karla Watershed, central Greece. Surface Energy Balance Algorithm for Land (SEBAL) was used to derive monthly actual evapotranspiration (ET) and ETrF values during the growing seas...

Agricultural robots can tackle harsh working conditions and hardness of work, as well as the shortage of laborers that is a bottleneck to agricultural production. Such robots exist, but they are not yet widespread. We believe that the limited usage of robotics in agriculture could be related to the fact that the mainstream direction for robotics in...

Remote sensing techniques development have provided the opportunity for optimizing yields in the agricultural procedure and moreover to predict the forthcoming yield. Yield prediction plays a vital role in Agricultural Policy and provides useful data to policy makers. In this context, crop and soil parameters along with NDVI index which are valuabl...

This paper provides the results obtained by using satellite imagery and UAV data for managing a degraded system over Randi Forest in Cyprus. Landsat TM/ETM+ and GeoEye images have been used to retrieve several indices with the main aim to managing the overgrazed area. Aerial photographs were acquired in order to document and monitor the overgrazed...

This paper examines change detection in drylands through the combination of field spectroscopy, remotely sensed image data, laser scanning and UAV data for identifying and managing a degraded systems. A case study was conducted in the Randi Forest in Cyprus, which is considered dryland and is also overgrazed over time. Satellite imagery was used to...

This paper examines change detection in drylands through the combination of field spectroscopy, remotely sensed image data, laser scanning and UAV data for identifying and managing a degraded systems. A case study was conducted in the Randi Forest in Cyprus, which is considered dryland and is also overgrazed over time. Satellite imagery was used to...

Water allocation to crops has always been of great importance in agricultural process. In this context, and under the current conditions, where Cyprus is facing a severe drought the last five years, purpose of this study is basically to estimate the needed crop water requirements for supporting irrigation management and monitoring irrigation on a s...

This is a technical paper, in the context of CASCADE project, describing an overgrazed area in Cyprus and how remote sensing techniques can assist the procedure for detecting land degradation sourcing from animal overgrazing. Remote sensing is a tool recently introduced to such studies but indeed very useful and vital. Using satellite images it is...

Field spectroscopy is a part of the remote sensing techniques and very important for studies in agriculture. A GER-1500 field spectro-radiometer was used in this study in order to retrieve the necessary spectrum data of the spring potatoes for estimating spectral vegetation indices (SVI's). A field campaign was undertaken from September to the end...

Remote sensing methods are becoming attractive to estimate crop evapotranspiration, as they cover large areas and can provide accurate and reliable estimations; intensive field monitoring is also not required, although some ground-truth measurements can be helpful in interpreting satellite images. For the purposes of this paper, modeling and remote...

This is a technical paper, in the context of CASCADE project, describing an overgrazed area in Cyprus and how remote sensing techniques can assist the procedure for detecting land degradation sourcing from animal overgrazing. Remote sensing is a tool recently introduced to such studies but indeed very useful and vital. Using satellite images it is...

Water allocation to crops has always been of great importance in agricultural process. In this context, and under the current conditions, where Cyprus is facing a severe drought from time to time, purpose of this study is basically to estimate the needed crop water requirements for supporting irrigation management and monitoring irrigation on a sys...

In this paper, Leaf Area Index (LAI) and Crop Height (CH) are modeled to the most known spectral vegetation index — NDVI — using remotely sensed data. This approach has advantages compared to the classic approaches based on a theoretical background. A GER-1500 field spectro-radiometer was used in this study in order to retrieve the necessary spectr...

This technical paper describes and interprets the main results of an original research project, which integrates technological tools for developing a complete system for monitoring and determining irrigation demand on a systematic basis in Cyprus. More specifically, the main contribution of this paper consists in the estimation of evapotranspiratio...

The organizing committee, scientific committee and editors would like to thank the authors and participants who attended the "First International Conference on Remote Sensing and Geoinformation of Environment" in Paphos Cyprus from 8-10 April 2013. The conference focused on emerging issues in remote sensing and geo-information of environment. The K...

The objective of this paper is to describe a methodological tool in order to improve the performance of irrigation demand based on the integration of remote sensing techniques and simulation modeling of irrigation water in Cyprus. For this purpose two different models were examined for specific annual crops (chickpeas) cultivated in the agricultura...

The detection of buried archaeological remains using satellite remote sensing is still an open question in archaeological research. This research investigates how the phenological stages of crops can be used support the detection of buried archaeological remains. Ground remote sensing data using the GER-1500 spectroradiometer were obtained from two...

Earth observation techniques intended for archaeological research, such as satellite images and ground geophysical surveys are well established in the literature. In contrast, low altitude airborne systems for supporting archaeological research are still very limited. The "ICAROS" project, funded by the Cyprus Research Promotion Foundation, aims to...

Water allocation to crops has always been of great importance in the agricultural process. In this context, and under the current conditions, where Cyprus is facing a severe drought the last five years, the purpose of this study is basically to estimate the needed crop water requirements for supporting irrigation management and monitoring irrigatio...

Sustainable development is focused on developing a mutually beneficial relationship between the economic development and the environment. In practice, sustainable development focuses on finding methods to promote growth that do not destroy the environment, or compromise future generations’ access to natural resources. This study aims at developing...

This paper presents the findings of the impact of atmospheric effects when applied on satellite images intended for supporting archaeological research. The study used eleven multispectral Landsat TM/ETM+ images from 2009 until 2010, acquired over archaeological and agricultural areas. The modified Darkest Pixel (DP) atmospheric correction algorithm...

This paper aims to model leaf area index (LAI) and crop height to spectral vegetation indices (VI), such as normalized difference vegetation index (NDVI) and soil adjusted vegetation index (SAVI), and weighted difference vegetation index (WDVI). The intended purpose is to create empirical statistical models to support evapotranspiration algorithms...

Cyprus is frequently confronted with severe droughts and the need for accurate and systematic data on crop evapotranspiration (ETc) is essential for decision making, regarding water irrigation management and scheduling. The aim of this paper is to highlight how data from meteorological stations in Cyprus can be used for monitoring and determining t...

This paper presents a research project which integrates technological tools for developing a complete system for monitoring and determining irrigation demand on a systematic basis in Cyprus. Such tools are multi-spectral remotely sensed data dynamic water budget simulation and optimization, crop evapotranspiration (ETc) models and micro-sensor tech...

The spectroradiometric retrieved reflectance of a local crop, namely, beans (Phaseolus vulgaris), is directly compared to the reflectance of Landsat 5TM and 7ETM+ atmospherically corrected and uncorrected satellite images. Also, vegetation indices from the same satellite images—atmospherically corrected and uncorrected—are compared with the corresp...

Sustainable development has become one of the main pillars of the European Union. Conventional agriculture has caused the loss of consumers trust due to environmental problems. Environmental issues that are publicised (dioxins, nitro-pollution, scrabie etc) from time to time, resulted in the creation of more food-sensitive oriented consumers which...

The aim of the study is to validate hyperspectral ground data for the detection of buried architectural remains. For this reason spectro-radiometric measurements were taken from an archaeological area in Cyprus. Field spectro-radiometric measurements were undertaken from March to May of 2010. Spectro-radiometric measurements were taken over the pre...

A GER-1500 field spectro-radiometer was used in this study in order to retrieve the necessary spectrum data of the spring potatoes for estimating the spectral vegetation indices (SVI's). A field campaign was undertaken with measurements of LAI, and crop height using the Sun-Scan instrument, acquired simultaneously with the spectroradiometric measur...

Archaeological remains can be detected using crop marks, during different periods of crop cycle. Vegetation indices and spectral signatures can be used in order to examine and evaluate such crop marks. This paper presents the methodology applied for detecting crop marks over an archaeological site of Cyprus using Landsat TM/ETM+ satellite images. M...

Solar radiation reflected by the Earth's surface to satellite sensors is modified by its interaction with the atmosphere. The objective of applying an atmospheric correction is to determine true surface reflectance values and to retrieve physical parameters of the Earth's surface, including surface reflectance, by removing atmospheric effects from...

The need for an efficient irrigation water management is of vital importance in Cyprus. Estimating crop evapotranspiration (ETc) from remotely sensed data has recently been introduced in the island and had a positive effect on irrigation management on water policy level. Surface Energy Balance Algorithm (SEBAL) is an energy equilibrium based model...

This paper examines and evaluates the integrated use of satellite remote sensing and meteorological data for estimating crop water requirements over agricultural areas of Cyprus. Intended purpose of this project is to estimate evapotranspiration using modeling techniques, satellite and meteorological data for monitoring irrigation demand. ETc was c...

This research paper focus on how spectral signatures and evapotranspiration (ET) vary during the whole life cycle of specific annual crops cultivated in the area located in Mandria village, in Paphos District area in Cyprus. The spectral signatures of these crops are collected for the whole life cycle in order to examine how ET changes due to morph...

This paper aims to highlight the benefits from the integration of wireless sensor network / meteorological data and remote sensing for monitoring and determine irrigation demand in Cyprus. Estimating evapotranspiration in Cyprus will help, in taking measures for an effective irrigation water management in the future in the island. For this purpose...

Knowledge of the current ecological state is of vital importance for coastal zone management. Due to the optical complexity of coastal waters compared to the open ocean, more sophisticated instruments and algorithms are needed to derive relevant variables. Satellite remote sensing allows the spatial and temporal assessment of various physical, biol...

It is essential to understand how much water is being consumed by different crops of an irrigation project to establish irrigation water efficiency. The goal is to achieve sustainable and improved water use efficiency through an effective method and eliminate problems such as over wasting of irrigation water, lack of up to date information on irrig...

With the use of higher resolution multi-spectral satellite sensors such as ASTER images, it will prove possible to identify a larger number of suitable pseudo-invariant targets, and this should allow the estimation of an effective removal of atmospheric effects. Such sites can be selected because of their suitability in terms of size, uniformity an...

By comparing the reflectances of the targets found from the image i.e. after atmospheric correction and the one found from ground measurements, this will give the opportunity to assess the existing atmospheric correction methods and develop a more effective method. Then by determining the atmospheric path radiance, the aerosol optical thickness can...

The monitoring of agricultural areas in Cyprus provides important data for efficient water supply plans and for avoiding unnecessary water lost due to inefficient irrigation. In this context, satellite remote sensing techniques may be useful as an efficient tool for monitoring agricultural areas. The objective of this study is to present the overal...

This paper focused on the application of effective atmospheric correction algorithm for assessing the atmospheric pollution based on the determined aerosol optical thickness. Field spectro-radiometers such as GER 1500 and HR-1024 have been used to retrieve the ground reflectance values of certain proposed calibration targets. Sun-photometers (MICRO...

This paper describes the results obtained by the direct comparison between the visibility values obtained from satellite remotely sensed data and ground measurements in an area of interest near the Paphos International Airport in Cyprus. During the satellite overpasses, visibility values are obtained from the nearby airport and sun-photometer measu...

Bearing in mind that the atmospheric effects are mainly caused by scattering and absorption of atmospheric gases, aerosol and clouds, the most important point in order to perform an atmospheric correction is to be aware of the optical characteristics of the atmosphere. These optical characteristics can be found from different sources such as the ge...

Norm data have to be periodically revised to incorporate new data derived from recent research and extension work and other technological development changes in the Agricultural Economy. This seventh edition of the Norm Input - Output Data for the Main Crops and Livestock Enterprises of Cyprus is intended to provide the user with revised data on th...

The objective of this research project is to describe and apply a procedure for estimating crop evapotranspiration (ETc) based on the integration of remote sensing techniques and simulation modeling of irrigation water in Cyprus, which is facing a severe drought the last five years. Multi-spectral satellite images are used to infer crop potential e...