scholarly journals Validation of the Hazard and Vulnerability Analysis of Coastal Erosion in the Caribbean and Pacific Coast of Colombia

2019 ◽  
Vol 7 (8) ◽  
pp. 260 ◽  
Author(s):  
Oswaldo Coca-Domínguez ◽  
Constanza Ricaurte-Villota

A hazard and vulnerability assessment of coastal erosion is an essential first step for planning and decision-making, because it is part of risk management and its results are in the form of easily interpreted traffic-light maps. For the analysis of the assessment in this work, a methodology is proposed which considers three components for both hazard (magnitude, occurrence, and susceptibility) and vulnerability (exposure, fragility, and lack of resilience), through a semi-quantitative approximation, by applying relative indices to different variables. This methodology has been adapted to analyze hazards and vulnerability caused by coastal erosion combining physical and social aspects. For the validation of this methodology, Spratt Bight Beach (Colombian Caribbean) and La Bocana beach (Colombian Pacific) were selected in order to have contrasting regions and to validate the application of the method over a geographical range. One of the most significant outcomes of the assessment of the degree of hazard and vulnerability is that the rating may represent different combinations of factors. It is therefore important to study and interpret the components separately, allowing us to propose corrective and/or prospective focused interventions at local and regional levels. In terms of vulnerability, the assessment highlighted the importance of cultural ecology as a factor of resilience to coastal hazards.

Water Policy ◽  
2016 ◽  
Vol 18 (S2) ◽  
pp. 245-261 ◽  
Author(s):  
Koen Verbist ◽  
Abou Amani ◽  
Anil Mishra ◽  
Blanca Jiménez Cisneros

Droughts have resulted in significant socio-economic impacts in the regions of Africa and Latin America and the Caribbean (LAC), especially in developing countries. The main gaps to mitigate its effects, identified in both Africa and LAC regions, include a lack of human and institutional capacity, a lack of access to relevant early warning information for decision-making, the identification of vulnerable communities within the countries and the integration of these two components into drought management policies. UNESCO International Hydrological Programme (UNESCO-IHP) has been providing support to enhance human capacity, policy guidance and tools to the countries to address drought-related challenges and this paper presents some examples. Through capacity building at regional institutions in Western, Eastern and Southern Africa, drought monitoring and early warning tools have been transferred and validated for inclusion into national climate risk management plans. In LAC, a drought atlas was produced to identify the frequency of meteorological droughts and the exposure of population to droughts. Also in LAC, national drought observatories were developed in two pilot countries, providing locally relevant and actionable drought monitoring and early warning information, socio-economic vulnerabilities and appropriate drought indicators for decision-making to strengthen current drought policies for these countries.


2009 ◽  
Vol 17 (3) ◽  
pp. 345-353
Author(s):  
S. Colombano ◽  
C. Merly ◽  
H. Gaboriau

Author(s):  
I WAYAN DEDI SURYAWAN ◽  
I WAYAN WINDIA ◽  
I MADE SARJANA

Farmers Participation Model in Agrowisata Development in Kerta Village,Payangan District, Gianyar Regency. The model of farmer participation in agro-tourism development in Kerta Village,Payangan District, Gianyar Regency is an effort to find out the model of farmerparticipation and farmer participation level in agro-tourism development. The researchlocation is in Kerta Village, Payangan District, Gianyar Regency which is an agro areaof Gianyar Botanical Garden. The method of analysis used is descriptive qualitative.The results showed that the farmers participation model is as follows. (a) Aspects ofmindset; farmers are aware of the potential that exists in Kerta Village that can bedeveloped as agro-tourism. (b) Social aspects; farmers' participation in social aspectssuch as participating in garden arrangement, diversification of commodity diversity,there is also agreement or cooperation between farmer society to sacrifice their land foragro-tourism such as for road and treking. (c) Aspects of artifacts / possessions; peasantcommunity participation in view of the material aspects include the garden andagricultural products, huts / huts for rest, parking lots and public toilets. Farmersparticipation rate is as follows. (a) Manipulation; done by changing the attractiveness ofthe attraction of organic citrus quotes. (b) Dissemination of information; the peasantcommunity conveys information to the general public through word of mouth, socialmedia, billboards installation. (c) Decision-making; demonstrated by their activengrembug to reach joint decisions and participate in village deliberations. (d) Buildingagreements; farmers mutually respect opinion in decision-making to build a deal basedon "Tri Sakti". Suggestion for farmer community to keep participating for agrotourismdevelopment in Kerta Village, considering the enormous potential of agriculture to bedeveloped into agro-tourism area. Through the model of farmer participation in agrotourismdevelopment in Kerta Village, Payangan District, Gianyar Regency, can beused as a reference for agro-tourism development in other regions.


Forests ◽  
2021 ◽  
Vol 12 (3) ◽  
pp. 344
Author(s):  
Courtney A. Schultz ◽  
Lauren F. Miller ◽  
Sarah Michelle Greiner ◽  
Chad Kooistra

To support improved wildfire incident decision-making, in 2017 the US Forest Service (Forest Service) implemented risk-informed tools and processes, together known as Risk Management Assistance (RMA). The Forest Service is developing tools such as RMA to improve wildfire decision-making and implements these tools in complex organizational environments. We assessed the perceived value of RMA and factors that affected its use to inform the literature on decision support for fire management. We sought to answer two questions: (1) What was the perceived value of RMA for line officers who received it?; and (2) What factors affected how RMA was received and used during wildland fire events? We conducted a qualitative study involving semi-structured interviews with decision-makers to understand the contextualized and interrelated factors that affect wildfire decision-making and the uptake of a decision-support intervention such as RMA. We used a thematic coding process to analyze our data according to our questions. RMA increased line officers’ ability to communicate the rationale underlying their decisions more clearly and transparently to their colleagues and partners. Our interviewees generally said that RMA data analytics were valuable but did not lead to changes in their decisions. Line officer personality, pre-season exposure to RMA, local political dynamics and conditions, and decision biases affected the use of RMA. Our findings reveal the complexities of embracing risk management, not only in the context of US federal fire management, but also in other similar emergency management contexts. Attention will need to be paid to existing decision biases, integration of risk management approaches in the interagency context, and the importance of knowledge brokers to connect across internal organizational groups. Our findings contribute to the literature on managing change in public organizations, specifically in emergency decision-making contexts such as fire management.


Sensors ◽  
2021 ◽  
Vol 21 (4) ◽  
pp. 1523
Author(s):  
Nikita Smirnov ◽  
Yuzhou Liu ◽  
Aso Validi ◽  
Walter Morales-Alvarez ◽  
Cristina Olaverri-Monreal

Autonomous vehicles are expected to display human-like behavior, at least to the extent that their decisions can be intuitively understood by other road users. If this is not the case, the coexistence of manual and autonomous vehicles in a mixed environment might affect road user interactions negatively and might jeopardize road safety. To this end, it is highly important to design algorithms that are capable of analyzing human decision-making processes and of reproducing them. In this context, lane-change maneuvers have been studied extensively. However, not all potential scenarios have been considered, since most works have focused on highway rather than urban scenarios. We contribute to the field of research by investigating a particular urban traffic scenario in which an autonomous vehicle needs to determine the level of cooperation of the vehicles in the adjacent lane in order to proceed with a lane change. To this end, we present a game theory-based decision-making model for lane changing in congested urban intersections. The model takes as input driving-related parameters related to vehicles in the intersection before they come to a complete stop. We validated the model by relying on the Co-AutoSim simulator. We compared the prediction model outcomes with actual participant decisions, i.e., whether they allowed the autonomous vehicle to drive in front of them. The results are promising, with the prediction accuracy being 100% in all of the cases in which the participants allowed the lane change and 83.3% in the other cases. The false predictions were due to delays in resuming driving after the traffic light turned green.


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