scholarly journals Sand-sized heavy-mineral distributions in offshore insular shelf sediments of north-central Puerto Rico

1993 ◽  
Author(s):  
Gretchen Luepke ◽  
L.J. Poppe
Keyword(s):  
Puerto Rico ◽  
Heavy Mineral ◽  
North Central ◽  
Shelf Sediments ◽  
Insular Shelf

scholarly journals Rapid observations of ocean dynamics and stratification along a steep island coast during Hurricane María

2021 ◽  
Vol 7 (20) ◽  
pp. eabf1552
Author(s):  
Olivia M. Cheriton ◽  
Curt D. Storlazzi ◽  
Kurt J. Rosenberger ◽  
Clark E. Sherman ◽  
Wilford E. Schmidt
Keyword(s):  
Puerto Rico ◽  
Water Column ◽  
High Frequency ◽  
Coastal Communities ◽  
Ocean Dynamics ◽  
Sea Surface ◽  
Hurricane Intensity ◽  
Island Coast ◽  
New Framework ◽  
Insular Shelf

Hurricanes are extreme storms that affect coastal communities, but the linkages between hurricane forcing and ocean dynamics remain poorly understood. Here, we present full water column observations at unprecedented resolution from the southwest Puerto Rico insular shelf and slope during Hurricane María, representing a rare set of high-frequency, subsurface, oceanographic observations collected along an island margin during a hurricane. The shelf geometry and orientation relative to the storm acted to stabilize and strengthen stratification. This maintained elevated sea-surface temperatures (SSTs) throughout the storm and led to an estimated 65% greater potential hurricane intensity contribution at this site before eye passage. Coastal cooling did not occur until 11 hours after the eye passage. Our findings present a new framework for how hurricane interaction with insular island margins may generate baroclinic processes that maintain elevated SSTs, thus potentially providing increased energy for the storm.

scholarly journals Sugarcane Variety Trials in Puerto Rico, 1951-55

1969 ◽  
Vol 41 (3) ◽  
pp. 147-160
Author(s):  
Ferdinand Méndez-Roig ◽  
George Samuels
Keyword(s):  
Puerto Rico ◽  
Puerto Rican ◽  
Sugarcane Variety ◽  
Commercial Variety ◽  
University Of Puerto Rico ◽  
Agricultural Experiment Station ◽  
North Central ◽  
Variety Trials ◽  
Agricultural Experiment ◽  
Entire Island

Sugarcane variety trials performed by the Agricultural Experiment Station, University of Puerto Rico, Río Piedras, P. R., During the period 1951-55, involved 19 separate experiments and 33 crops. The following results are significant: 1. In the production of available 96° sugar per acre B. 37161 was the outstanding variety of East and North Central cane areas of the Island. P.R. 980 was the leading variety in the Northwest, West, South, and Interior of Puerto Rico. 2. B. 40105, B. 37172, B. 41227, H. 328560, and P.R. 975 all were among the leading producers in tons of sugar per acre. 3. The check varieties M. 336, P.O.J. 2878, and P.R. 902, ranked poorly in the trials as compared with the leading varieties in tons of sugar produced per acre. 4. In terms of tons of cane per acre B. 37161 and P.R. 980 were the two leading varieties for the entire Island, with H. 328560, B. 41227, and B. 37172 also showing favorable cane-tonnage figures. All check varieties did poorly in tons of cane per acre as compared to the leading variety. 5. The varieties were also ranked according to their production of sucrose-percent- cane. P.R. 975 and B. 4362 were first and second, respectively. These two varieties also produced higher cane tonnage than the favored commercial variety M. 336, which ranked third. 6. Finally, the varieties were ranked according to the tons of sugar per acre produced per month, and P.R. 980 ranked first. The first eight experimental varieties produced over 0.60 ton of sugar per acre per month as compared with all commercial varieties, except B. 37161, which produced below 0.50 ton of sugar per acre per month. 7. The reluctance of Puerto Rican farmers to adopt the new cane varieties tested and proven superior to the old commercial varieties is very unprofitable to them. Yields are cited which show that if the land now used to grow the older cane varieties were planted to the new leading experimentally tested varieties discussed in this article, the present sugar crop in Puerto Rico could be produced on about two-thirds of the present acreage. This would release over 100,000 acres for other agricultural uses.

scholarly journals “The Atlas of Our Skin and Bone and Blood”: Disability, Ablenationalism, and the War on Drugs

Genealogy ◽  
2019 ◽  
Vol 3 (4) ◽  
pp. 62
Author(s):  
Andrea Pitts
Keyword(s):  
Puerto Rico ◽  
Final Section ◽  
War On Drugs ◽  
The United States ◽  
Gloria Anzaldua ◽  
Immigration Reform ◽  
North Central ◽  
Racial Capitalism ◽  
Border Zones ◽  
The Relationship

This paper explores the relationship between disability and the aspirational health of the civic body through an analysis of the criminalization of immigration and the war on drugs. In particular, this paper utilizes tools from transnational disability studies to examine the formation and maintenance of a form of ablenationalism operating within immigration reform and drug-related policies. Specifically, the militarization of border zones, as well as the vast austerity measures impacting people across North, Central, and South America have shaped notions of public health, safety, and security according to racial, gendered, and settler logics of futurity. The final section of the paper turns to three authors who have been situated in various ways on the margins of the United States, Gloria Anzaldúa (the Mexico-U.S. border), Aurora Levins Morales (Puerto Rico), and Margo Tamez (Lipan Apache). As such, this article analyzes the liberatory, affective, and future-oriented dimensions of disabled life and experience to chart possibilities for resistance to the converging momentum of carceral settler states, transnational healthcare networks, and racial capitalism.

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