Sina Ayanlade

Sina Ayanlade
Obafemi Awolowo University | OAU · Department of Geography

BSc, MSc (Ife), PhD (London)

About

78
Publications
45,076
Reads
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1,039
Citations
Introduction
Areas of Interest : -- Climate Change Studies, Urban meteorology, Micrometeorology, Remote Sensing Applications and GIS, Climate-Smart Agriculture. He is a Lead Author of the Africa chapter of the 6th Assessment of the IPCC . Academic training : - - - King’s college London, University of London, UK - International Research Institute for Climate and Society, Columbia University, New York, USA - University of Bergen, Norway - Obafemi Awolowo University, Ile-Ife Nigeria
Additional affiliations
January 2016 - December 2017
International Livestock Research Institute (ILRI)
Position
  • Fellow
January 2010 - November 2012
King's College London
Position
  • Lecturing Assistant
January 2002 - November 2016
Obafemi Awolowo University
Position
  • Lecturer
Education
October 2009 - April 2013
King's College London
Field of study
  • Geography

Publications

Publications (78)
Article
Full-text available
Abstract This study aims at assessing the impacts of climate indices on the spatiotemporal distribution of malaria and meningitis in Nigeria. The primary focus of the research is to develop an Early Warning System (EWS) for assessing climate variability implications on malaria and meningitis spread in the study area. Both climate and health data we...
Article
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COVID-19 pandemic movement restrictions as part of the control measures put in place by countries in Sub-Saharan Africa (SSA) has implications on food security, as movement restrictions coincided with planting periods for most of the staple crops. The measures are affecting important staple crops in SSA, and are likely to exacerbate food security c...
Article
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It is expected that diseases are likely to spread to newer areas, and high-income countries may experience some illnesses that may have been restricted to low or middle-income countries. In addition, following the Intergovernmental Panel on Climate Change, the present study noted that climate change is likely to have many effects on the spatial and...
Article
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This study seeks to provide a critical overview of the existing evidence on extreme climate events and the adaptation options of the affected population in order to help scholars navigate the field. The study examined the recent extreme climate events that occurred in Sub-Saharan Africa (SSA), the climate change adaptation options mentioned in the...
Article
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This study aims at assessing variations and changes in the intensity of urban land surface temperature (LST) over four major cities in different ecological zone. The study intends to examine the contributions of different land cover types and variation in ecological locations on the intensity of urban LST. Remote Sensing and GIS techniques were use...
Chapter
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The Africa chapter on climate change impacts, adaptation, and vulnerability under the IPCC's Working Group II.
Chapter
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Indigenous knowledge refers to the understandings, skills and philosophies developed by societies with long histories of interaction with their natural surroundings (UNESCO, 2018; IPCC, 2019a). Local knowledge refers to the understandings and skills developed by individuals and populations, specific to the places where they live (UNESCO, 2018; IPCC...
Chapter
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The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which causes COVID-19, emerged in late 2019, halfway through the preparation of the IPCC WGII Sixth Assessment Report. This Cross-Chapter Box assesses how the massive shock of the pandemic and response measures interact with climate-related impacts and risks as well as its significan...
Book
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‘Climate Change 2022: Impacts, Adaptation and Vulnerability’, the Working Group II contribution to the Intergovernmental Panel on Climate Change’s (IPCC) Sixth Assessment Report presents a comprehensive assessment of the current state of knowledge of the observed impacts and projected risks of climate change as well as the adaptation options. The r...
Chapter
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This Cross-Chapter Box highlights the intersecting issues of gender, climate change adaptation, climate justice and transformative pathways. A gender perspective does not centre only on women or men but examines structures, processes and relationships of power between and among groups of men and women and how gender, particularly in its non-binary...
Article
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This study assesses the spatial and temporal changes in precipitation and its effects on vegetation greenness over six ecological zones in Nigeria. Both vegetation and climatological Satellite datasets were used for this study. Satellite climatological data include African Rainfall Estimation Algorithm (RFE) and Climate Hazards Group Infrared Preci...
Article
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Saharan Africa has experienced persistent exposure to aerosol from time immemorial, but the intensity has been much more severe in recent years. In this study, aerosol optical depths (AOD) retrievals from ground-based, satellite-based and modelled data set were compared, for the time scale of 1994–2019, 2000–2019, and 1985–2019, respectively, over...
Article
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This chapter examines the impacts of climate change on three tropical crops and assesses the climate change adaptation options adopted by rural farmers in the region. The study was conducted among farming communities settled in three major ecological zones in Nigeria. Over 37 years of data on rainfall and temperature were analyzed to examine climat...
Article
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Background: The impacts of climate change are affecting sustenance and livelihood of many rural farmers in Africa. The majority of these farmers have low adaptive capacity. This study investigates climate change impacts, farmers' perception, adaptation options and barriers to adaptation in three selected ecological zones in Nigeria using three stap...
Article
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Purpose of Review: The impacts of climate change on biodiversity in the last three decades have increasingly assumed from significant to threatening proportions and this causes major global concerns. This study aims at examining the recent and future impacts of global climate change on both ecological resources and human well-being. This review stu...
Article
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It is often difficult to define the relationship and the influence of climate on the occurrence and distribution of disease. To examine this issue, the effects of climate indices on the distributions of malaria and meningitis in Nigeria were assessed over space and time. The main purpose of the study was to evaluate the relationships between climat...
Article
Full-text available
Purpose of Review The impacts of climate change on biodiversity in the last three decades have increasingly assumed from significant to threatening proportions and this causes major global concerns. This study aims at examining the recent and future impacts of global climate change on both ecological resources and human well-being. This review stud...
Article
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Multi-satellite rainfall observations are compared with ground-based meteorological stations data in this study. Both ground and satellite meteorological datasets were analysed and synchronized in this study. Satellite rainfall datasets used are Tropical Rainfall Measuring Mission (TRMM), Climate Hazards Group Infrared Precipitation with Stations (...
Article
Understanding climate variability and change impacts on the livelihood of farming communities, especially the herders, is essential in designing effective technological and policy interventions for increasing the adaptive capacities of the herders. This study aims at assessing the herders’ responses to climate variability and changes using the Guin...
Article
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Abstract This study aims at assessing how riparian zones have been altered through various land use activities and the implications of its capacity to mitigate flood. The study focused mainly on examining the land use/land cover changes within the riparian zone over a period of 20 years. The vulnerability of the riparian zone to flood were analyzed...
Article
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The study examines the seasonality in climate and extreme weather events, and its effect on cattle production in the Guinea Savannah ecological zone of Nigeria. The study uses both quantitative and qualitative approaches. Climate data of 34 years were used to examine the trends in rainfall pattern and climate variability while household survey was...
Article
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This study aims at examining the thermal relationship between indoor-outdoor temperature and relative humidity using houses with two different window types in Ile-Ife, Nigeria. Indoor and outdoor temperatures and humidity were measured simultaneously using digital mobile weather stations placed in different residential houses with sliding and louvr...
Article
The effects of humidity, wind, and InterTropical Discontinuity (ITD) movement on seasonal distribution of atmospheric aerosols were assessed over different ecological zones in Nigeria. Satellite-observed aerosol optical depth (AOD), humidity, wind speed, and precipitation/ITD data were used. The Moderate Resolution Imaging Spectroradiometer (MODIS)...
Article
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This study examines the influence of intertropical discontinuity movement on seasonality and distribution of atmospheric aerosols over Nigeria, using remote sensing approach. The Moderate Resolution Imaging Spectroradiometer (MODIS) Terra aerosol optical depth, wind speed and precipitation/intertropical discontinuity (ITD) dataset were used. Geospa...
Chapter
This study aims at examining and mapping the spatiotemporal distribution of meningitis epidemic, in relation to climate variability, using GIS and Remote Sensing techniques. Using the northern part of Nigeria as a case study, data on meningitis epidemic were obtained from the archive of National Bureau of Statistics, Nigeria for the periods between...
Article
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Understanding climate variability and change is essential for designing adaptation policies and strategies to deal with the impacts of climate change on the agricultural sector. This Paper aims at assessing climate variability/change, the perception of rural farmers on climate change and preferred adaptation strategies among the farmers in some sel...
Chapter
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Concerns of climate change impacts and adaptations have continued to receive much attention in both local and international climate change debate. It is now understood that the challenge of climate change cannot be addressed as a standalone issue but within different social, economic, and environmental contexts. It is currently acknowledged that Af...
Article
This paper examines drought characteristics as an evidence of climate change in two agro-climatic zones of Nigeria and farmers' climate change perceptions of impacts and adaptation strategies. The results show high spatial and temporal rainfall variability for the stations. Consequently, there are several anomalies in rainfall in recent years but m...
Article
This study aims to investigate seasonal and diurnal variations in urban temperature, as well as the contributions of different land uses to land surface temperature (LST). A time series of MODIS data was used in this study. Average seasonal LST differentials between day and night from 2002 to 2014 were estimated. The results reveal substantial chan...
Article
The relationship between drought and loss of crops and livestock has long been known as an environmental challenge confronting agricultural production in many parts of Africa. Despite the great advancement of climate science in understanding and dealing with climate change and its impacts on the agricultural sector at the international and regional...
Poster
Full-text available
CIRCLE RESEARCH UPTAKE
Article
This study examined the potential environmental impacts of coastal urban development and the resultant urban thermal changes in Eti-Osa, Lagos between 1984 and 2014. Multi-date Landsat images were used for the spatio-temporal change in the land use over time, while the topographic map and the ASTER image were used to generate the Digital Elevation...
Article
Selection of appropriate data and methods for environmental change assessment is highly central in any remote sensing research project. This study assessed various land use/land cover change (LUCC) methods and tested the accuracy of prominent classification methods and their implications on land surface temperature (LST) change estimation. Niger De...
Article
This paper examines smallholder farmers’ perceptions of climate change, climate variability and their impacts, and adaptation strategies adopted over the past three decades. We use ethnographic analysis, combined with Cumulative Departure Index (CDI), Rainfall Anomaly Index (RAI) analysis, and correlation analysis to compare farmers’ perceptions in...
Article
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This study examines the spatial extent of coastal urban development and its potential sensitivity to sea-level rise. The main aim of the study is to critically examine the extent of growth in Eti-Osa over time, and the potential impacts of sea leve rise. Landsat Enhanced Thematic Mapper Plus (ETM+) imageries of years 2000 and 2015 were used to eval...
Article
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Removal of vegetation to give space for urban expansion might result in the temperature rise in cities. The present study compares the LSTs derived from Moderate Resolution Imaging Spectroradiometer (MODIS) with observed air temperature from ground weather data. The natures of the materials that are usually found in the urban area are typically con...
Article
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Purpose In this study, the spatial and temporal relationship of wind speed, atmospheric particles concentration, and the industrial-induced noise levels during different times of the day were examined, using sawmill industrial location around Ile-Ife in Osun of Nigeria as a case study. Methods Mobile devices were used to measure noise level and ba...
Article
The introduction of climate change studies in universities has a fundamental role in helping the general public, especially the next generations, to recognize the global challenges of climate change and to find ways of adapting to the changing climate. This study examined the level of climate change education and perception of Nigerian university g...
Article
This study examines environmental change in Tsekelewu, Niger Delta Region. Both remote sensing and social survey methods were used to assess the impacts of oil exploration activities around the Tsekelewu community. Landsat data between 1984 and 2011 were used for spatiotemporal change in the environment around the community while mixed method appro...
Article
The study evaluated the climatic and societal implications of vegetation degradation in Okomu and Gilli-Gilli Forest Reserves (OGFRs) of Nigeria. Both remote sensing and non-remote sensing data and methodologies were used. Landsat data between 1984 and 2011 were used as quantitative data while social survey was carried out for qualitative data coll...
Article
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The Niger Delta, being the most extensive freshwater wetland and aquatic ecosystem in West Africa, provides numerous services both to local people and to the West African economy. Ongoing environmental pressure exerted by large-scale oil extraction and illegal timber logging, however, are suspected to have had a substantial impact on the Delta’s ec...
Article
Despite the importance of the forest resources in tropical regions, forest continues to rapidly decrease due to demand from an ever increasing population. This study uses remote sensing to examine forest loss in the different forest types found in the Niger Delta of Nigeria from 1984 to 2011. The results show that the over utilization of forest res...
Article
This study aims at examining and mapping the spatiotemporal distribution of meningitis epidemic, in relation to climate variability, using GIS and Remote Sensing techniques. Using the northern part of Nigeria as a case study, data on meningitis epidemic were obtained from the archive of National Bureau of Statistics, Nigeria for the periods between...
Article
This study aimed at using remote sensing methodology to assess the daytime surface urban heat island (SUHI) in Lagos metropolis. Several studies have examined the SUHI, using point data from meteorological stations. However, it has been shown in the literature recently that it is practically impossible to accurately value the intensity of SUHI from...
Thesis
This study examines landuse change (LUC) in the Niger Delta of Nigeria, focusing on the drivers of change and the societal implications on the people in the Delta. This study applies both remote sensing and social research methods to evaluate the spatial and temporal change in landuse, population change, deforestation, and degradation within forest...
Article
Full-text available
This study develops an integrated innovation for malaria early warning systems (MEWS), based on vulnerability monitoring, seasonal climate variability data, and epidemiologic surveillance. The main aim of the study is to examine the relationship between intra-annual climate variability and malaria transmission in Nigeria. For this study, climatic c...
Article
This study evaluates the implications of the environmental change on ecological service in the Niger Delta of Nigeria. The delta, being the most extensive forest and aquatic ecosystem in West Africa, provides numerous ecological services in biodiversity both to people living in the delta and West African economy as a whole. Despite these benefits,...
Article
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Malaria is a major cause of morbidity and mortality in children and adults in the Sudano Sahel of Northeastern Nigeria with the highest prevalence of malaria in pregnancy of 64.5 in Nigeria recorded in this region. This study was carried out in 2003 and 2004 to provide parasitological baseline data for the development of Malaria Early Warning Syste...
Chapter
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Geographic Information Systems (GIS) and Remote Sensing (RS) techniques are increasingly being used in agricultural management to more efficiently support emergency agro-climatic information needed in this century. Although several studies have been carried out on application of GIS and remote sensing for agricultural and rural development in other...
Article
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This paper used geographic information systems (GIS) technique to assess the impact of conflict on land use in Ile-Ife and Modakeke in Nigeria. There has been limited systematic research work in terms of mapping the impacts of the communal crisis on the land use pattern using GIS. Therefore, the major aim of this paper is to map the impact of commu...
Article
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This study investigates the possible impact of climate change on the coastal cities of Lagos and Port Harcourt using the Model for the Assessment of Greenhouse Gas Induced Climate Change (MAGICC-SCENGEN) and geographical information system (GIS) interpolation techniques. The results confirm that sea level rise may occur with a consequence of submer...
Article
Apart from traffic congestion, flood is the most common serious physical urban problem in most Nigerian cities resulted from high river levels, concentrations of overland flow following heavy rainfall, limited capacity of drainage systems and blockage of waterways and drainage channels. Though precise statistics are not available regarding the loss...
Article
This study appraised the level of usage of satellite imaging and selected Information Communication Technology (ICT) tools by agricultural extension workers (EWs) in the North Central Zone of Nigeria. Specifically, information on usage of satellite imaging, personal skill ratings, and constraints faced by respondents in the usage of ICT equipment w...
Article
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The study assessed the adverse effect of gas flaring on the environment and the potential benefits of its reduction on the local economy and the environment at large. This was with a view to suggesting an integrated strategy and management plan for sustainable environment in the gas flaring areas. The study used both primary and secondary data. The...
Article
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The study developed a Geographical Information Systems (GIS) database and mapped inter-annual changes intuber crop yield as a response to inter-annual rainfall variability in the Guinea Savanna ecological zone ofNigeria. It also related the spatiotemporal variability in rainfall with tuber yields. Two major tuber crops wereused for this study (i.e....
Article
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This paper discuses problem of data acquisition in Sub-Saharan African countries. The purpose of any Geospatial research work is to provide information which will assist in quick decision making and effective management. For this reasons, effort is now in place to assess in quality of the data acquisition and derived information products in Sub-Sah...
Article
Purpose – This paper aims to use geographical information systems kriging interpolation technique to examine and map the spatiotemporal variation in rainfall in Guinea Savanna of Nigeria. Design/methodology/approach – Rainfall data, for the periods between 1970 and 2000, are collected from the archives of the Nigerian Meteorological Services, Oshod...
Article
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S Climate variability has been the most important determinant of the crop yields in Nigeria as well as in other part of West Africa. Inter-annual variability in rainfall has been the key climatic element that determines the success of agriculture in Guinea Savanna ecological zone Nigeria. This study aims at assessing crop yields responses to inter-...
Article
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At present, there are substantial scientific uncertainties about the nature and magnitude of climate change impacts that might result from an effective doubling of CO2 concentrations in the atmosphere of the coastal urban settlements of Nigeria because a large percentage of Nigeria's urban population lives in coastal cities. This study examines the...
Article
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People are now using geoinformation for many different purposes and consequently one can confidently say that the need for geospatial data infrastructure (GDI) cannot be overstated in sub-Saharan Africa. Geospatial information (GI) is essential to socio-economic planning and development of sub-Sahara African countries. This paper therefore examines...
Article
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The scientific evidence on rainfall variability with its significant impacts on crop yield is now stronger than ever. It is even more so on maize that serves as staple food in most parts of Sub-Sahara Africa. Hence, this study aim at examines and map spatiotemporal impacts of rainfall variability on water availability for maize yield using Geograph...