GCD 4.0.6 (14/02/20)
-----------------------------------------

* Minor update: package raster declared in imports for R compatibility


GCD 4.0.5 (08/10/19)
-----------------------------------------

* Sites removed
"119"  "Lago Dell'Accesa"    
"129"  "Rucanancu"           
"420"  "ODP-1144"            
"667"  "Cederberg Pakhuisch" 
"835"  "Azzano Decimo part 1"
"836"  "Azzano Decimo part 2"
"837"  "Azzano Decimo part 3"
"1106" "Besancon TEST"       
"1155" "testNairobi"     
 
* Sites added:
"1168" "Lake Sidi Ali"          
"1169" "Lac Geai SBL"           
"1174" "La Laguna"              
"1175" "Laguna Grande"          
"1176" "Laguna de Valleseco"    
"1177" "Lac a Jean-Marie Boulay"
"1178" "Lac Bride"              
"1180" "Garba Guracha"      

* Added dataset about dating
date.rda -> dating information (age, depths, etc.)
date_type.rda -> code on date type (14C, tephra, etc.)
mat_dated.rda -> material dated


GCD 4.0.4 (23/11/18)
-----------------------------------------

* 0 "QUANTITY" charcoal values are stored as NULL in the SQL database and were dropped in previous GCD package versions !!PLEASE UPDATE!!
  Only affects older GCD 4.x.x versions

* 3 sites added


GCD 4.0.3 (20/08/18)
-----------------------------------------

* Prefunit is defined as the unit with more data for sites without influx (otherwise influx unit is always the prefunit) 

* 9 sites added and 1114 charcoal values


GCD 4.0.2 (24/04/18)
-----------------------------------------

* Three new fields in paleofiresites table to enable backward compatibility and listing GCD version numbers "GCD_version"
"num_version" and data publication date "update_date", see ?paleofiresites for details.

* num_dating variable issues corrected 

* minor bug fixes



GCD 4.0.1 (26/03/18)
-----------------------------------------

* 7 sites have been added and associated 3500 char values 

* Depths have been corrected to be exact at the third decimal for several sites


GCD 4.0.0 (01/03/18)
-----------------------------------------

* GCD database now mirrors the online SQL database http://paleofire.org

* Future updates will be monthly or whenerver database updates 

* Paleofiresites table has been reduced and adapted to SQL data (see pfSiteSel changes in paleofire package)

* charcoal_units table added


GCD 3.0.5 (22/04/15)
-----------------------------------------

* Removed potveg function (now part of paleofire package)

* Documentation moved to roxygen


GCD 3.0.4 (22/05/14)
-----------------------------------------

New features:

* Added publications and citation data for paleofire::pfPublication function

GCD 3.0.3 (30/04/14)
-----------------------------------------

* The rf99 and l12 fields have been updated using the potveg function and kernel density estimation of the dominant potential vegetation in a radius of 30 km around sites

* "0: Water" level has been added to potential vegetations

* Bug fix in potveg function related to projections not considered as longlat by default for the extract function (raster package). 

GCD 3.0.2 (08/04/14)
-----------------------------------------

* Bug fix that caused potveg to fail (related to old variable naming scheme)

GCD 3.0.1
-----------------------------------------

New features:

* Added UNIT METHOD and TYPE in paleofiredata to work in conjunction with pfTransform (paleofire package 1.1)

* Added potveg to retrieve the potential vegetation associated with charcoal sites (and plot capabilities)

* paleofiresites has been updated to work in conjunction with pfSiteSel (paleofire package 1.1)

Fixes:

* All data from the GCD is now included (multiple units may exist for single sites)

* Three decimal unit precision for all charcoal values


GCD 3.0
-----------------------------------------

* Initial release of the package