Determinação da vulnerabilidade costeira em praias arenosas ao sul de Alagoas – Brasil: Subsídio para delimitação de áreas de proteção em zonas costeiras

2021 ◽  
Vol 21 (3) ◽  
pp. 179-192
Author(s):  
Henrique Ravi Rocha de Carvalho Almeida ◽  
Djane Fonseca da Silva ◽  
Ramon Salgueiro Cruz ◽  
Arthur Costa Falcão Tavares
Keyword(s):  
Climate Change ◽  
Intergovernmental Panel ◽  
De Se

É urgente a necessidade de se ampliar o conhecimento sobre o meio físico a fim de se estabelecer diretrizes racionais para utilização de áreas costeiras, visto as previsões de elevação do nível do mar inferidas pelo Intergovernmental Panel of Climate Change (IPCC) até o ano de 2100. A presente pesquisa objetivou determinar o nível de vulnerabilidade ambiental do litoral norte do município de Barra de São Miguel/AL, face à elevação do Nível Relativo do Mar, bem como sugerir Limites Terrestres Não Edificantes (LTNE), para a proteção da paisagem e amortecimento da energia das ondas. Os procedimentos metodológicos consistiram em inferir a retrogradação costeira através da Regra de Brunn; estabelecer o Índice de Vulnerabilidade Costeira (IVC) através da análise de variáveis ambientais; e delimitar o LTNE considerando diretrizes protetivas. Com relação aos resultados obtidos, a retrogradação, mesmo em um cenário otimista e apesar de apresentar alto nível de conservação ambiental, apresentou recuo de 9,12 m. O LTNE demonstrou que o limite prévio de 200 m pode ser adotado futuramente como um valor referência para absorver os impactos futuros gerados pela elevação marinha. Quanto ao IVC, a região foi classificada como altamente vulnerável a ação dos processos erosivos, seja pela remoção dos sedimentos, seja pela retrogradação da costa. Desta forma, foi possível concluir que os resultados obtidos são importantes para compreensão do ambiente costeiro do município de Barra de São Miguel/AL, podendo ser utilizado como fonte norteadora no monitoramento e gerenciamento de regiões costeiras de Alagoas. Palavras-chave: Vulnerabilidade costeira; Gerenciamento costeiro; Erosão Costeira.

scholarly journals Global evidence of constraints and limits to human adaptation

2021 ◽  
Vol 21 (3) ◽  
Author(s):  
Adelle Thomas ◽  
Emily Theokritoff ◽  
Alexandra Lesnikowski ◽  
Diana Reckien ◽  
Kripa Jagannathan ◽  
...  
Keyword(s):  
Climate Change ◽  
Systematic Review ◽  
Behavioral Adaptation ◽  
Human Adaptation ◽  
Small Islands ◽  
Intergovernmental Panel ◽  
Natural Systems ◽  
Adaptation Response ◽  
Cultural Constraints ◽  
Global Evidence

AbstractConstraints and limits to adaptation are critical to understanding the extent to which human and natural systems can successfully adapt to climate change. We conduct a systematic review of 1,682 academic studies on human adaptation responses to identify patterns in constraints and limits to adaptation for different regions, sectors, hazards, adaptation response types, and actors. Using definitions of constraints and limits provided by the Intergovernmental Panel on Climate Change (IPCC), we find that most literature identifies constraints to adaptation but that there is limited literature focused on limits to adaptation. Central and South America and Small Islands generally report greater constraints and both hard and soft limits to adaptation. Technological, infrastructural, and ecosystem-based adaptation suggest more evidence of constraints and hard limits than other types of responses. Individuals and households face economic and socio-cultural constraints which also inhibit behavioral adaptation responses and may lead to limits. Finance, governance, institutional, and policy constraints are most prevalent globally. These findings provide early signposts for boundaries of human adaptation and are of high relevance for guiding proactive adaptation financing and governance from local to global scales.

Collective Risk and Distributional Equity in Climate Change Bargaining

2021 ◽  
pp. 002200272110273
Author(s):  
Aseem Mahajan ◽  
Reuben Kline ◽  
Dustin Tingley
Keyword(s):  
Climate Change ◽  
Characteristic Feature ◽  
Economic Loss ◽  
Bargaining Model ◽  
Intergovernmental Panel ◽  
Climate Negotiations ◽  
Collective Risk ◽  
International Climate ◽  
Alternating Offers ◽  
International Climate Negotiations

International climate negotiations occur against the backdrop of increasing collective risk: the likelihood of catastrophic economic loss due to climate change will continue to increase unless and until global mitigation efforts are sufficient to prevent it. We introduce a novel alternating-offers bargaining model that incorporates this characteristic feature of climate change. We test the model using an incentivized experiment. We manipulate two important distributional equity principles: capacity to pay for mitigation of climate change and vulnerability to its potentially catastrophic effects. Our results show that less vulnerable parties do not exploit the greater vulnerability of their bargaining partners. They are, rather, more generous. Conversely, parties with greater capacity are less generous in their offers. Both collective risk itself and its importance in light of the recent Intergovernmental Panel on Climate Change report make it all the more urgent to better understand this crucial strategic feature of climate change bargaining.

scholarly journals Welcome to Hydrogen—A New International and Interdisciplinary Open Access Journal of Growing Interest in Our Society

Hydrogen ◽  
2020 ◽  
Vol 1 (1) ◽  
pp. 90-92
Author(s):  
George E. Marnellos ◽  
Thomas Klassen
Keyword(s):  
Climate Change ◽  
Open Access ◽  
Open Access Journal ◽  
Intergovernmental Panel ◽  
Ipcc Report

The 2018 Intergovernmental Panel on Climate Change (IPCC) report [...]

scholarly journals Application of a 1 km2 resolution model for climate change effects upon Benin and Nigeria vegetable agriculture

GEOMATICA ◽  
2019 ◽  
Vol 73 (4) ◽  
pp. 93-106
Author(s):  
Colin Minielly ◽  
O. Clement Adebooye ◽  
P.B. Irenikatche Akponikpe ◽  
Durodoluwa J. Oyedele ◽  
Dirk de Boer ◽  
...  
Keyword(s):  
Climate Change ◽  
Food Security ◽  
Field Trials ◽  
Development Planning ◽  
Climate Modelling ◽  
Intergovernmental Panel ◽  
Amaranthus Cruentus ◽  
Global Issues ◽  
Climate Change Effects

Climate change and food security are complex global issues that require multidisciplinary approaches to resolve. A nexus exists between both issues, especially in developing countries, but little prior research has successfully bridged the divide. Existing resolutions to climate change and food security are expensive and resource demanding. Climate modelling is at the forefront of climate change literature and development planning, whereas agronomy research is leading food security plans. The Benin Republic and Nigeria have grown and developed in recent years but may not have all the tools required to implement and sustain long-term food security in the face of climate change. The objective of this paper is to describe the development and outputs of a new model that bridges climate change and food security. Data from the Intergovernmental Panel on Climate Change’s 5th Regional Assessment (IPCC AR5) were combined with a biodiversity database to develop the model to derive these outputs. The model was used to demonstrate what potential impacts climate change will have on the regional food security by incorporating agronomic data from four local underutilized indigenous vegetables (Amaranthus cruentus L., Solanum macrocarpon L., Telfairia occidentalis Hook f., and Ocimum gratissimum L.). The model shows that, by 2099, there is significant uncertainty within the optimal recommendations that originated from the MicroVeg project. This suggests that MicroVeg will not have long-term success for food security unless additional options (e.g., new field trials, shifts in vegetable grown) are considered, creating the need for need for more dissemination tools.

scholarly journals The Evolution of Communicating the Uncertainty of Climate Change to Policymakers: A Study of IPCC Synthesis Reports

2021 ◽  
Vol 13 (5) ◽  
pp. 2466
Author(s):  
Tomas Molina ◽  
Ernest Abadal
Keyword(s):  
Climate Change ◽  
Economic Systems ◽  
Intergovernmental Panel ◽  
Call To Action ◽  
The Public ◽  
Level Of Confidence ◽  
Ipcc Report ◽  
Degree Of Certainty ◽  
History Of ◽  
Tackle Climate Change

The Intergovernmental Panel on Climate Change (IPCC) reports on climate change have served to alert both the public and policymakers about the scope of the predicted changes and the effects they would have on natural and economic systems. The first IPCC report was published in 1990, since which time a further four have been produced. The aim of this study was to conduct a content analysis of the IPCC Summaries for Policymakers in order to determine the degree of certainty associated with the statements they contain. For each of the reports we analyzed all statements containing expressions indicating the corresponding level of confidence. The aggregated results show a shift over time towards higher certainty levels, implying a “Call to action” (from 32.8% of statements in IPCC2 to 70.2% in IPCC5). With regard to the international agreements drawn up to tackle climate change, the growing level of confidence expressed in the IPCC Summaries for Policymakers reports might have been a relevant factor in the history of decision making.

Advances in the data rescue and digitization of historical wind speed observations in Sweden: the WINDGUST project

2021 ◽  
Author(s):  
Erik Engström ◽  
Cesar Azorin-Molina ◽  
Lennart Wern ◽  
Sverker Hellström ◽  
Christophe Sturm ◽  
...  
Keyword(s):  
Climate Change ◽  
Wind Speed ◽  
Global Climate ◽  
Current Status ◽  
Weather Data ◽  
Climate Data ◽  
Intergovernmental Panel ◽  
Staff Members ◽  
The 1960S

<p>Here we present the progress of the first work package (WP1) of the project “Assessing centennial wind speed variability from a historical weather data rescue project in Sweden” (WINDGUST), funded by FORMAS – A Swedish Research Council for Sustainable Development (ref. 2019-00509); previously introduced in EGU2019-17792-1 and EGU2020-3491. In a global climate change, one of the major uncertainties on the causes driving the climate variability of winds (i.e., the “stilling” phenomenon and the recent “recovery” since the 2010s) is mainly due to short availability (i.e., since the 1960s) and low quality of observed wind records as stated by the Fifth Assessment Report (AR5) of the Intergovernmental Panel on Climate Change (IPCC).</p><p>The WINDGUST is a joint initiative between the Swedish Meteorological and Hydrological Institute (SMHI) and the University of Gothenburg aimed at filling the key gap of short availability and low quality of wind datasets, and improve the limited knowledge on the causes driving wind speed variability in a changing climate across Sweden.</p><p>During 2020, we worked in WP1 to rescue historical wind speed series available in the old weather archives at SMHI for the 1920s-1930s. In the process we followed the “Guidelines on Best Practices for Climate Data Rescue” of the World Meteorological Organization. Our protocol consisted on: (i) designing a template for digitization; (ii) digitizing papers by an imaging process based on scanning and photographs; and (iii) typing numbers of wind speed data into the template. We will report the advances and current status, challenges and experiences learned during the development of WP1. Until new year 2020/2021 eight out of thirteen selected stations spanning over the years 1925 to 1948 have been scanned and digitized by three staff members of SMHI during 1,660 manhours.</p>

scholarly journals Pan-spectral observing system simulation experiments of shortwave reflectance and long-wave radiance for climate model evaluation

2015 ◽  
Vol 8 (7) ◽  
pp. 1943-1954 ◽  
Author(s):  
D. R. Feldman ◽  
W. D. Collins ◽  
J. L. Paige
Keyword(s):  
Climate Change ◽  
Climate Model ◽  
Coupled Model ◽  
Climate System ◽  
Spectral Measurements ◽  
Intergovernmental Panel ◽  
Climate System Model ◽  
Detection And Attribution ◽  
Long Wave ◽  
Hadley Centre

Abstract. Top-of-atmosphere (TOA) spectrally resolved shortwave reflectances and long-wave radiances describe the response of the Earth's surface and atmosphere to feedback processes and human-induced forcings. In order to evaluate proposed long-duration spectral measurements, we have projected 21st Century changes from the Community Climate System Model (CCSM3.0) conducted for the Intergovernmental Panel on Climate Change (IPCC) A2 Emissions Scenario onto shortwave reflectance spectra from 300 to 2500 nm and long-wave radiance spectra from 2000 to 200 cm−1 at 8 nm and 1 cm−1 resolution, respectively. The radiative transfer calculations have been rigorously validated against published standards and produce complementary signals describing the climate system forcings and feedbacks. Additional demonstration experiments were performed with the Model for Interdisciplinary Research on Climate (MIROC5) and Hadley Centre Global Environment Model version 2 Earth System (HadGEM2-ES) models for the Representative Concentration Pathway 8.5 (RCP8.5) scenario. The calculations contain readily distinguishable signatures of low clouds, snow/ice, aerosols, temperature gradients, and water vapour distributions. The goal of this effort is to understand both how climate change alters reflected solar and emitted infrared spectra of the Earth and determine whether spectral measurements enhance our detection and attribution of climate change. This effort also presents a path forward to understand the characteristics of hyperspectral observational records needed to confront models and inline instrument simulation. Such simulation will enable a diverse set of comparisons between model results from coupled model intercomparisons and existing and proposed satellite instrument measurement systems.

scholarly journals Assessing the Vulnerability of Marine Fisheries in China: Towards an Inter-Provincial Perspective

2018 ◽  
Vol 10 (11) ◽  
pp. 4302 ◽  
Author(s):  
Qi Chen ◽  
Weiteng Shen ◽  
Bing Yu
Keyword(s):  
Climate Change ◽  
Adaptive Capacity ◽  
Fisheries Management ◽  
Vocational Training ◽  
Large Scale ◽  
Environmental Changes ◽  
Marine Pollution ◽  
Marine Fisheries ◽  
Intergovernmental Panel ◽  
Adaptation Measures

China’s marine fisheries are undergoing large-scale environmental changes associated with climate change, marine pollution, and overfishing. The assessment of marine fisheries vulnerability has become extremely necessary for fisheries management and sustainable development. However, studies on China’s marine fisheries vulnerability remains sparse. This study aimed to provide an analysis of the inter-provincial level vulnerability of China’s marine fisheries under multiple disturbances. The vulnerability measure was composed of exposure, sensitivity, and adaptive capacity indicators specific to marine fisheries based on the Intergovernmental Panel on Climate Change (IPCC) definitions. Results showed that Liaoning, Hebei, Fujian, and Hainan provinces appeared to be the most vulnerable; Shanghai appeared to be less vulnerable among China’s 11 coastal provinces; and the key sources of vulnerability differed considerably among coastal regions. The high vulnerability regions could be divided into two different patterns according to the combination of exposure, sensitivity, and adaptive capacity, but they all had one thing in common: relatively low adaptive capacity. While some existing coercive measures to reduce dependence on fisheries were found to be helpful in China, the reality showed that appropriate adaptation measures such as improving fishermen’s education level and increasing vocational training may be helpful in enhancing the existing policy effectiveness.

Ecomedia: Of Angelic Images and Environmental Values

2008 ◽  
Vol 127 (1) ◽  
pp. 71-81
Author(s):  
Kitty van Vuuren ◽  
Libby Lester
Keyword(s):  
Climate Change ◽  
Environmental Issues ◽  
Vice President ◽  
Central Position ◽  
Intergovernmental Panel ◽  
Race And Gender ◽  
An Inconvenient Truth ◽  
Traditional Research ◽  
And Gender ◽  
Influential Book

The prominence of media events in 2006, including the release of former US Vice President Al Gore's documentary An Inconvenient Truth, the publication of the Stern Review on the Economics of Climate Change, the report of the Intergovernmental Panel on Climate Change, even the death of ‘eco-celebrity’ Steve Irwin, suggested a need to devote an issue of Media International Australia to media and the environment. The study of environmentalism through the lens of media, journalism and communication is all but absent in Australia, with some notable exceptions. This issue of MIA goes some way towards redressing the absences identified by Tom Jagtenberg and David McKie in their influential book Eco-Impacts and the Greening of Postmodernity, published more than 10 years ago, which claimed for the environment an equal status with traditional research foci: class, race and gender. The current public interest in environmental issues emphasises this point, although it is not unprecedented. History shows that environmental issues move in waves to and from the heart of public debate. As well as showcasing some of the field's distinct approaches and traditions, the articles in this issue contribute to a better understanding of this current wave and its likely aftermath. In doing so, it goes some way towards moving the environment in the direction of a more central position on the research and public agenda.

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