https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2 en-us 2018-05-27 00:33:39 UTC 2024-05-27 23:48:53 UTC hello@padlet.com alanarceta https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263827068 2018-05-27 02:55:22 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263827068 maria_hernandezgr https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263890004 2018-05-27 19:43:07 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263890004 maria_hernandezgr https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263890751 -CO2
-Other greenhouse gases
-Aerosols
-Other factors that affect the energy balance]]> 2018-05-27 19:52:17 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263890751 maria_hernandezgr https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263890968 -The more stringent of the two boundaries
-The relationship with CO2 can vary through time with changes in the individual radiative forcing factors ]]> 2018-05-27 19:54:29 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263890968 maria_hernandezgr https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263892809 2018-05-27 20:16:17 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263892809 feryie_37 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263893751 2018-05-27 20:28:09 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263893751 maria_hernandezgr https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263894710 Estimates of preindustrial values ]]> 2018-05-27 20:39:07 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263894710 maria_hernandezgr https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263894999 Maintenance of a Holocene-like state of the Earth system 

]]> 2018-05-27 20:41:55 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263894999 maria_hernandezgr https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263895150 2018-05-27 20:44:08 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263895150 maria_hernandezgr https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263895209 Intrinsic biophysical processes that regulate the stability  of the Earth system]]> 2018-05-27 20:44:59 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263895209 feryie_37 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263899410 2018-05-27 21:32:25 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263899410 maria_hernandezgr https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263900003 2018-05-27 21:38:39 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263900003 maria_hernandezgr https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263900170 2018-05-27 21:40:31 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263900170 maria_hernandezgr https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263901058 change in population abundance as a result of human impacts, such as land or resource use.

Pre- industrial era abundance>reference point

Values can go above 100% (human modifications to ecosystems)

BII in South Africa]]> 2018-05-27 21:51:04 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263901058 feryie_37 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263912501 2018-05-28 00:13:51 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263912501 feryie_37 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263913302 Climate change and biosphere integrity should be recognized as core planetary boundaries through which the other boundaries operate. ]]> 2018-05-28 00:21:33 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263913302 feryie_37 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263913585 The climate system is a manifestation of the amount, distribution, and net balance of energy at Earth’s surface. The total amount of energy sets the overall conditions for life.]]> 2018-05-28 00:24:47 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263913585 feryie_37 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263914004 The ecosystems and biota play a critical role in determining the state of the Earth system, regulating its material and energy flows and its responses to abrupt and gradual change 

Diversity in the biosphere provides resilience to terrestrial and marine ecosystems. 

The biosphere also increases the capacity of the Earth system to persist in a given state under changes in these other boundaries.]]> 2018-05-28 00:28:29 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263914004 feryie_37 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263915799 2018-05-28 00:46:23 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263915799 feryie_37 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263926142
PB framework, will need to be implemented alongside the achievement of targets aimed at more immediate human needs, such as a provision of clean, affordable, and accessible energy and the adequate supply of food.]]> 2018-05-28 02:22:07 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263926142 feryie_37 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263926505 2018-05-28 02:24:19 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263926505 feryie_37 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263927106 2018-05-28 02:27:51 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263927106 feryie_37 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263927125 PB framework does not as yet account for the regional distribution of the impact or its historical patterns. Nor does the PB framework take into account the deeper issues of equity and causation.]]> 2018-05-28 02:27:59 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263927125 feryie_37 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263927327 2018-05-28 02:29:20 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263927327 feryie_37 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263927575  It is easy to foresee that uneven distribution of causation and benefits will continue, and these differentials must surely be addressed for Earth-system state to be successfully legitimated and maintained.]]> 2018-05-28 02:31:02 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263927575 davidEtica https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263929961 first of all, we need to know what is ocean acidification? Ocean acidification is when the CO₂ is absorbed by the ocean then chemical reactions occur that reduce the seawater pH. these chemical reaction is called "Ocean acidification or OA". This reaction is causing many parts of the ocean to become undersaturated with calcium minerals which is affecting some organisms.]]> 2018-05-28 02:50:45 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263929961 maria_floresra https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263931380 We retain the original control variable [O3 concentration in DU (Dobson units)] and boundary (275 DU). This boundary is only transgressed over Antarctica in the austral spring, when O3 concentration drops to about 200 DU 

]]> 2018-05-28 03:05:30 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263931380 davidEtica https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263931597 2018-05-28 03:07:25 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263931597 davidEtica https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263931964 This boundary is related with the CO₂ from the climate change. The concentration of free ions of hydrogen in the surface ocean has increased 30% in the last 200 years due to the increase in atmospheric CO₂ . This influences the carbonate chemistry in the seawater and low the saturation state of argonite.]]> 2018-05-28 03:10:18 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263931964 maria_floresra https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263932434 2018-05-28 03:14:50 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263932434 maria_floresra https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263932544 The minimum O3 concentration has been steady for about 15 years and is expected to rise over the coming decades as the ozone hole is repaired after the phasing out of ozone-depleting substances. This is an example in which, after a boundary has been transgressed regionally, humanity has taken effective action to return the process back to within the boundary. ]]> 2018-05-28 03:15:59 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263932544 maria_floresra https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263932727 2018-05-28 03:17:32 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263932727 maria_floresra https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263932899 The revised freshwater use boundary has retained consumptive use of blue water [from rivers, lakes, reservoirs, and renewable groundwater stores] as the global-level control variable     ]]> 2018-05-28 03:19:45 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263932899 maria_floresra https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263933633 2018-05-28 03:28:20 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263933633 maria_floresra https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263934064 we report here a new assessment to complement the PB with a basin-scale boundary for the maximum rate of blue water with- drawal along rivers, based on the amount of water required in the river system to avoid regime shifts in the functioning of flow-dependent ecosystems. ]]> 2018-05-28 03:32:56 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263934064 maria_floresra https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263935393 2018-05-28 03:46:14 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263935393 maria_floresra https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263935601 We base our control variable on the concept of environmental water flows (EWF), which defines the level of river flows for different hydrological characteristics of river basins adequate to maintain a fair-to-good ecosystem state.     ]]> 2018-05-28 03:48:45 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263935601 maria_floresra https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263935631 2018-05-28 03:49:05 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263935631 maria_floresra https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263938886 The boundaries were set at the lower end of the uncertainty ranges that encompass average monthly EWF. Our new estimates of the current status of the water use boundary—computed based on grid cell–are specific estimates of agricultural, industrial, and domestic water withdrawals.]]> 2018-05-28 03:54:00 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263938886 maria_floresra https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263938916 In each panel, green areas are within the boundary (safe), yellow areas are within the zone of uncertainty (increasing risk), and red areas are beyond the zone of uncertainty (high risk). ]]> 2018-05-28 03:54:21 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263938916 dvdsa223 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263945971 The humans have created the planetary boundaries because of its actions in recent years that have affect the earth system (ES), creating an urgency for a solution. This solution consist on define a safe operating space for humanity based on scientific understanding of the ES.]]> 2018-05-28 05:07:42 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263945971 davidEtica https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263946235 The original boundary was proposed for the phosphorus and the nitrogen but now we use a more generic PB in order to include all the human influence on biogeochemical flows. In fact that we need to develop more PBs for other elements, although we only focus in the phosphorus and nitrogen for now.]]> 2018-05-28 05:10:37 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263946235 dvdsa223 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263947195 These boundaries are basically levels of human interaction with the ES without resulting on a substantial risk of destabilizing our environment, but this doesn´t mean it dictates how our society should act. Our decisions of how to proceed with this boundaries have to maintain the people´s unity and equality in general. 

]]> 2018-05-28 05:21:21 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263947195 davidEtica https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263947346 The biogeochemical flow or cycle is the natural pathway by which essential elements are circulated. This term considerate the biological, geological and chemical aspect of cycle. One of these is the carbon cycle which is covered in the climate change boundary.]]> 2018-05-28 05:22:55 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263947346 davidEtica https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263947962 2018-05-28 05:30:15 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/263947962 brandon_bouchan98 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/264014012 The land system change is now focused in the biogeophysical processes in land systems that directly regulate climate-exchange of energy, water, and momentum between the land surface and the atmosphere]]> 2018-05-28 11:54:38 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/264014012 brandon_bouchan98 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/264015779 2018-05-28 12:04:53 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/264015779 brandon_bouchan98 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/264016241 The three major forest biomes-tropical, temperate and boreal-play a stronger role in land surface-climate coupling than other biomes.
The tropical forests have substantial feedbacks to climate through changes in evapotranspiration, and boreal forests affect the albedo of the land surface and hence energy exchange]]> 2018-05-28 12:07:31 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/264016241 brandon_bouchan98 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/264017867 2018-05-28 12:17:54 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/264017867 brandon_bouchan98 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/264018714 The biome-level boudary for the tropical and boreal have been set at 85%, and the boundary for template forest has been proposed to 50% of potential forest cover.]]> 2018-05-28 12:23:02 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/264018714 brandon_bouchan98 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/264019656 Aereosols affect the regional ocean-atmosphere cicrculation. We adopt aerosol optical depth(AOD) as the control variable. ]]> 2018-05-28 12:28:15 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/264019656 brandon_bouchan98 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/264020465 2018-05-28 12:32:59 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/264020465 brandon_bouchan98 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/264020523 Emisssions of black carbon, organic carbon from cooking, heating with biofuels and from disel transportation, emission of sulfates and nitrates from fossil fuel combustion, can increase seasonal mean of AOD to as high as 0.4 leading to decrease of 10 to 15% of incident solar radiation at the surface. The annual mean AOD is currently about 0.3, within the zone.]]> 2018-05-28 12:33:22 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/264020523 rmagana97 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/264085844 2018-05-28 19:02:35 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/264085844 rmagana97 https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/264086088 2018-05-28 19:04:43 UTC https://padlet.com/maria_hernandezgr/cu6n4fm6x1d2/wish/264086088